Seiko Cal. 5645 - 857

The Seiko 5645-857 represents an important milestone in Seiko's 1967 lineup. The Rotating bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-6bf4647108eb]

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

11.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

80m

Dial Color

Black

Jewels

22j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1967

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