Seiko Cal. 4538 - 537

The Seiko 4538-537 represents an important milestone in Seiko's 1981 lineup. Powered by the 4538 caliber with 34j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-42c3c296b0e6]

Also known as: Samurai, Shogun

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

15.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Black

Jewels

34j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1981

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