Seiko Cal. 7186 - 573

This Hand-Winding model from 1971 features a 37mm Hardlex-Coated Steel case. Powered by the 7186 caliber with 25j jewels beating at 36,000 bph, it delivers a 64 hours power reserve. [seikata-wm-d9e0a2f88682]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

15.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

130m

Dial Color

Cream

Jewels

25j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1971

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