Seiko Cal. 7138 - 154

This Spring Drive model from 1994 features a 37mm Two-Tone case. With its 19mm lug width and 9.9mm profile, it sits comfortably on most wrists. [seikata-wm-3278d0550ea9]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

9.9mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

140m

Dial Color

Navy

Jewels

31j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1994

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