Seiko Cal. 6653 - 642

This Hand-Winding model from 1975 features a 44mm Two-Tone case. The Coin-Edge bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-c18db202256b]

Also known as: World Timer

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

44mm

Case Thickness

10.4mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Champagne

Jewels

17j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1975

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