Seiko Cal. 4538 - 993

The Seiko 4538-993 represents an important milestone in Seiko's 1965 lineup. The Coin-Edge bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-034ee44652c8]

Also known as: Bullhead

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

41mm

Case Thickness

13.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Green

Jewels

24j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1965

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