Seiko Cal. 7121 - 189

This Hand-Winding model from 1974 features a 39mm PVD Black case. It features a Silver dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-54e3d3587bcd]

Also known as: Tuna, Navigator

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

39mm

Case Thickness

9.0mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

90m

Dial Color

Silver

Jewels

26j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1974

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