Seiko Cal. 5663 - 536

This Automatic model from 1966 features a 44mm Stainless Steel case. The Bidirectional bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-e245bbf5dd24]

Also known as: Bellmatic, Sea Horse

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

9.2mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

24j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1966

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