Seiko Cal. 5646 - 653

The Seiko 5646-653 represents an important milestone in Seiko's 1966 lineup. The Coin-Edge bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-e5d207388297]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

44mm

Case Thickness

11.4mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Cream

Jewels

28j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1966

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