Seiko Cal. 4537 - 359

The Seiko 4537-359 represents an important milestone in Seiko's 1977 lineup. Powered by the 4537 caliber with 18j jewels beating at 21,600 bph, it delivers a 65 hours power reserve. [seikata-wm-78b2bf366e78]

Also known as: Bellmatic

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

14.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

160m

Dial Color

Burgundy

Jewels

18j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1977

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