Seiko Cal. 4591 - 841

This Spring Drive model from 1977 features a 37mm Titanium case. It features a Burgundy dial protected by a Mineral crystal and offers 50m of water resistance. [seikata-wm-0667786fab2d]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

12.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

50m

Dial Color

Burgundy

Jewels

31j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1977

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