Seiko Cal. 3851 - 772

This Solar model from 1974 features a 36mm Two-Tone case. Powered by the 3851 caliber with 24j jewels beating at 28,800 bph, it delivers a 69 hours power reserve. [seikata-wm-a561db430326]

Also known as: Sportsmatic, Sea Horse

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

36mm

Case Thickness

15.2mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

White

Jewels

24j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1974

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