Seiko Cal. 4538 - 266

The Seiko 4538-266 represents an important milestone in Seiko's 1994 lineup. The Rotating bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-53439e83daaa]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

35mm

Case Thickness

11.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

140m

Dial Color

Navy

Jewels

20j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1994

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