Seiko Cal. 7138 - 912

The Seiko 7138-912 represents an important milestone in Seiko's 1993 lineup. The Rotating bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-05e3934036ae]

Also known as: Helmet, Crown

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

46mm

Case Thickness

10.1mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

50m

Dial Color

Navy

Jewels

34j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1993

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