Seiko Cal. 6653 - 163

This Hand-Winding model from 1968 features a 41mm Stainless Steel case. Powered by the 6653 caliber with 25j jewels beating at 36,000 bph, it delivers a 61 hours power reserve. [seikata-wm-228f1386d3b9]

Also known as: Bellmatic, World Timer

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

9.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Burgundy

Jewels

25j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1968

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