Seiko Cal. 4534 - 826

This Hand-Winding model from 1966 features a 43mm Hardlex-Coated Steel case. Powered by the 4534 caliber with 32j jewels beating at 28,800 bph, it delivers a 52 hours power reserve. [seikata-wm-2bb040b7c498]

Also known as: Sportsmatic, World Timer

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

8.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Burgundy

Jewels

32j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1966

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