Seiko Cal. 4536 - 431

The Seiko 4536-431 represents an important milestone in Seiko's 1991 lineup. Powered by the 4536 caliber with 35j jewels beating at 28,800 bph, it delivers a 61 hours power reserve. [seikata-wm-688fa6fd1a38]

Also known as: Samurai, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

9.1mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

35j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1991

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