Seiko Cal. 7122 - 305

This Hand-Winding model from 1994 features a 37mm PVD Black case. Powered by the 7122 caliber with 29j jewels beating at 36,000 bph, it delivers a 69 hours power reserve. [seikata-wm-06f1190a357d]

Also known as: Sumo, Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

37mm

Case Thickness

9.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

40m

Dial Color

Silver

Jewels

29j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1994

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