Seiko Cal. 7138 - 504

This Spring Drive model from 1991 features a 45mm Gold-Plated case. The Rotating bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-3c0600cb9f39]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

9.5mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1991

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