Seiko Cal. 7180 - 957

This Spring Drive model from 1989 features a 41mm Titanium case. Powered by the 7180 caliber with 24j jewels beating at 28,800 bph, it delivers a 68 hours power reserve. [seikata-wm-e6f4a9124f1a]

Also known as: Monster

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

41mm

Case Thickness

15.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

24j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1989

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