Seiko Cal. 7154 - 507

This Spring Drive model from 1979 features a 35mm Stainless Steel case. Powered by the 7154 caliber with 32j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-e1c78fa623de]

Also known as: Turtle

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

8.5mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Black

Jewels

32j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1979

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