Seiko Cal. 3810 - 645

This Solar model from 1971 features a 39mm Two-Tone case. With its 22mm lug width and 9.6mm profile, it sits comfortably on most wrists. [seikata-wm-8e2ba40b16f0]

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

39mm

Case Thickness

9.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1971

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