Seiko Cal. 7121 - 113

The Seiko 7121-113 represents an important milestone in Seiko's 1980 lineup. The Fixed bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-3de9bc48f4d6]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

14.7mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

90m

Dial Color

Black

Jewels

32j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1980

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