Seiko Cal. 7121 - 937

This Quartz model from 1985 features a 37mm PVD Black case. It features a Navy dial protected by a Hardlex crystal and offers 150m of water resistance. [seikata-wm-9c1ef220449c]

Also known as: Tuna

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

37mm

Case Thickness

15.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Navy

Jewels

24j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1985

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