Seiko Cal. 4535 - 648

The Seiko 4535-648 represents an important milestone in Seiko's 1974 lineup. It features a White dial protected by a Hardlex crystal and offers 60m of water resistance. [seikata-wm-b33fe3840b33]

Also known as: Helmet

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

12.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

60m

Dial Color

White

Jewels

34j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1974

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