Seiko Cal. 4538 - 972

Released in 1989, the Cal. 4538 with design code 972 was part of Seiko's domestic market collection. Powered by the 4538 caliber with 27j jewels beating at 36,000 bph, it delivers a 55 hours power reserve. [seikata-wm-854568425a4c]

Also known as: Bullhead, Rally

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

41mm

Case Thickness

11.8mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Black

Jewels

27j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1989

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