Seiko Cal. 7150 - 639

This Hand-Winding model from 1969 features a 37mm Hardlex-Coated Steel case. Powered by the 7150 caliber with 25j jewels beating at 28,800 bph, it delivers a 39 hours power reserve. [seikata-wm-ab0ab77d892f]

Also known as: Crown

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

15.1mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

130m

Dial Color

Navy

Jewels

25j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1969

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