Seiko Cal. 5687 - 152

This Spring Drive model from 1971 features a 42mm Titanium case. Powered by the 5687 caliber with 23j jewels beating at 21,600 bph, it delivers a 41 hours power reserve. [seikata-wm-25bf65eb3782]

Also known as: Pogue, Bullhead

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

42mm

Case Thickness

12.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Burgundy

Jewels

23j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1971

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