Seiko Cal. 4538 - 594

The 4538-594 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4538 caliber with 33j jewels beating at 36,000 bph, it delivers a 58 hours power reserve. [seikata-wm-b895b6a83b11]

Also known as: Bullhead, Arnie

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

45mm

Case Thickness

15.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1967

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