Seiko Cal. 6131 - 573

This Spring Drive model from 1978 features a 43mm Two-Tone case. It features a Navy dial protected by a Acrylic crystal and offers 90m of water resistance. [seikata-wm-7dd4dbb21eee]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

43mm

Case Thickness

8.9mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Navy

Jewels

21j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1978

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