Seiko Cal. 7138 - 910

The Seiko 7138-910 represents an important milestone in Seiko's 1978 lineup. The Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-615ebbfff1fe]

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

41mm

Case Thickness

15.2mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

190m

Dial Color

Cream

Jewels

23j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1978

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