Seiko Cal. 7137 - 170

This Hand-Winding model from 1999 features a 40mm PVD Black case. Powered by the 7137 caliber with 33j jewels beating at 28,800 bph, it delivers a 67 hours power reserve. [seikata-wm-4c0b7955b811]

Also known as: Sumo, Flighty

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

40mm

Case Thickness

15.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

30m

Dial Color

Burgundy

Jewels

33j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1999

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