Seiko Cal. 4591 - 583

This Spring Drive model from 1977 features a 37mm PVD Black case. It features a Champagne dial protected by a Acrylic crystal and offers 50m of water resistance. [seikata-wm-71f6aad8bb3e]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

37mm

Case Thickness

11.7mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Champagne

Jewels

35j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1977

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