Seiko Cal. 4534 - 512

The Seiko 4534-512 represents an important milestone in Seiko's 1990 lineup. Powered by the 4534 caliber with 24j jewels beating at 21,600 bph, it delivers a 68 hours power reserve. [seikata-wm-e3f5b3115d4e]

Also known as: Sumo, Bullhead

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

37mm

Case Thickness

15.9mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

40m

Dial Color

Navy

Jewels

24j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1990

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