Seiko Cal. 6231 - 401

This Solar model from 1977 features a 36mm Two-Tone case. Powered by the 6231 caliber with 22j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-f80122da5b60]

Also known as: Bellmatic

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

36mm

Case Thickness

10.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

200m

Dial Color

Cream

Jewels

22j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1977

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