Seiko Cal. 4536 - 407

The Seiko 4536-407 represents an important milestone in Seiko's 1968 lineup. The Fixed bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-32312d12ae1d]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

9.2mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

90m

Dial Color

Navy

Jewels

29j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1968

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