Seiko Cal. 3851 - 950

This Solar model from 1980 features a 42mm Two-Tone case. Powered by the 3851 caliber with 31j jewels beating at 21,600 bph, it delivers a 63 hours power reserve. [seikata-wm-0bfbe9f0ce6d]

Also known as: Turtle, Bellmatic

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

42mm

Case Thickness

15.5mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Black

Jewels

31j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1980

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