Seiko Cal. 0748 - 139

The Seiko 0748-139 represents an important milestone in Seiko's 1977 lineup. The Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-c3fcdc67ba85]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

12.1mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1977

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