Seiko Cal. 4431 - 837

This Solar model from 1984 features a 41mm Two-Tone case. Powered by the 4431 caliber with 22j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-a1ad73f4fdde]

Also known as: Turtle

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

41mm

Case Thickness

12.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Silver

Jewels

22j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1984

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