Seiko Cal. 7157 - 598

This Hand-Winding model from 1993 features a 37mm PVD Black case. Powered by the 7157 caliber with 20j jewels beating at 21,600 bph, it delivers a 53 hours power reserve. [seikata-wm-6c79ef55beb7]

Also known as: Navigator, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

37mm

Case Thickness

9.6mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Champagne

Jewels

20j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1993

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