Seiko Cal. 0765 - 124

This Spring Drive model from 1985 features a 40mm Gold-Plated case. Powered by the 0765 caliber with 20j jewels beating at 28,800 bph, it delivers a 41 hours power reserve. [seikata-wm-598b3b477b2b]

Also known as: Monster, Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

8.0mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

100m

Dial Color

Black

Jewels

20j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1985

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