Seiko Cal. 3862 - 957

This Quartz model from 1973 features a 40mm Two-Tone case. Powered by the 3862 caliber with 18j jewels beating at 28,800 bph, it delivers a 68 hours power reserve. [seikata-wm-0c20e442d8fa]

Also known as: Helmet

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

40mm

Case Thickness

10.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

200m

Dial Color

Black

Jewels

18j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1973

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