Seiko Cal. 4510 - 691

The Seiko 4510-691 represents an important milestone in Seiko's 1972 lineup. The Fixed bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-a6c39a1be8fa]

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

12.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

60m

Dial Color

Silver

Jewels

27j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1972

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