Seiko 5 Automatic 21 Jewels SNKA05 SNKA05K1 SNKA05K Men's Watch

Seiko SNKA05K1 — Seiko 5 Automatic 21 Jewels, Blue Dial with Baton Indexes, Stainless Case and Bracelet, Day-Date

The Seiko SNKA05K1 is a compact, blue-dialled dress-casual automatic from the Seiko 5 KA-series — a 37mm stainless steel case with a blue dial, baton-style indexes, a day-date display, a 21-jewel self-winding automatic movement, and a stainless bracelet in a fresh, characterful everyday package. The SNKA05K1 shares its KA-series brief with the SNKA23K1 but presents in a brighter, more open mid-blue rather than the SNKA23’s deeper navy — lighter and more immediately vibrant in daylight, with a more summery, casual-friendly energy compared to the navy’s darker, more formally composed depth. Both are blue, but the SNKA05K1 reads as fresher and more contemporary while the SNKA23K1 reads as more refined and occasion-appropriate. On the compact 37mm KA-series case the SNKA05K1 pairs naturally with casual and smart-casual clothing and wears with the kind of quiet colour confidence that makes blue dial automatics perennially popular. The 21-jewel movement delivers the same proven self-winding performance as the rest of the Seiko 5 range.

Key Features

• Movement: Seiko 21-jewel automatic self-winding — no battery; powered by the wearer’s motion
• Case diameter: 37mm — compact and classically proportioned; versatile on any wrist
• Dial: Blue dial with baton-style indexes — brighter, more open mid-blue vs the deeper navy of the SNKA23K1; fresh and contemporary
• Case & bracelet: Stainless steel — clean, neutral, and broadly versatile
• Display: Day-date — one of the five founding Seiko 5 principles
• Crown: Recessed at 4 o’clock position — classic Seiko 5 design feature
• Water resistance: 30M — splash resistant for everyday use
• Style: Mid-blue baton-index dress-casual automatic — the brighter, fresher blue dial option vs the deeper navy SNKA23K1 in the KA-series Seiko 5 family
• Reference: SNKA05K1 / SNKA05K / SNKA05

At $340, the SNKA05K1 is a well-priced compact blue dial automatic — 37mm, bright mid-blue baton dial, stainless case and bracelet, 21-jewel movement, day-date. For those who want the KA-series Seiko 5 automatic brief in a fresher, brighter blue dial rather than the deeper navy of the SNKA23K1.

Authentic Seiko timepiece. Orders ship directly from our supplier. See our shipping policy for delivery estimates.