Seiko Cal. 5645 - 581

This Automatic model from 1973 features a 40mm Hardlex-Coated Steel case. It features a Champagne dial protected by a Mineral crystal and offers 120m of water resistance. [seikata-wm-556ca5fdf8f4]

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

13.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

120m

Dial Color

Champagne

Jewels

28j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1973

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