Seiko Cal. 3810 - 442

This Quartz model from 1977 features a 46mm Stainless Steel case. Powered by the 3810 caliber with 21j jewels beating at 28,800 bph, it delivers a 51 hours power reserve. [seikata-wm-bfefe0c128c1]

Also known as: Turtle, Helmet

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

15.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

90m

Dial Color

Burgundy

Jewels

21j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1977

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