Seiko Cal. 7121 - 925

This Spring Drive model from 1982 features a 45mm Two-Tone case. It features a Black dial protected by a Mineral crystal and offers 50m of water resistance. [seikata-wm-901540dc7124]

Also known as: Helmet, Emperor

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

45mm

Case Thickness

11.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Black

Jewels

20j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1982

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