Seiko Cal. 6658 - 738

This Spring Drive model from 1993 features a 38mm Gold-Plated case. The Coin-Edge bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-ff334db016b6]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

15.3mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1993

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