Seiko Cal. 7121 - 342

This Quartz model from 1974 features a 41mm PVD Black case. It features a Burgundy dial protected by a Mineral crystal and offers 170m of water resistance. [seikata-wm-b708fefdd9d7]

Also known as: Sumo, Crown

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

41mm

Case Thickness

12.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Burgundy

Jewels

17j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1974

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