Seiko Cal. 5687 - 812

The Seiko 5687-812 represents an important milestone in Seiko's 1994 lineup. Powered by the 5687 caliber with 28j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-f636eda2daed]

Also known as: Bullhead, Sea Horse

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

12.8mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

50m

Dial Color

Silver

Jewels

28j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1994

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