Seiko Cal. 4537 - 365

The Seiko 4537-365 represents an important milestone in Seiko's 1973 lineup. The Bidirectional bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-409cbe44bc16]

Also known as: Emperor

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

43mm

Case Thickness

12.2mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Black

Jewels

29j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1973

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