Seiko Cal. 5666 - 874

This Spring Drive model from 1973 features a 37mm Two-Tone case. It features a Black dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-aeb1fcc2f6ee]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

12.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Black

Jewels

18j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1973

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