Seiko Cal. 4531 - 635

This Automatic model from 1974 features a 45mm Stainless Steel case. It features a Black dial protected by a Mineral crystal and offers 150m of water resistance. [seikata-wm-ece17d5fbadd]

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

10.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Black

Jewels

24j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1974

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