Seiko Cal. 7113 - 648

This Quartz model from 1977 features a 40mm PVD Black case. Powered by the 7113 caliber with 31j jewels beating at 28,800 bph, it delivers a 62 hours power reserve. [seikata-wm-59c00a97ec3e]

Also known as: Sumo, Shogun

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

40mm

Case Thickness

11.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

30m

Dial Color

White

Jewels

31j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1977

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