Seiko Cal. 6658 - 137

The Seiko 6658-137 represents an important milestone in Seiko's 1965 lineup. The Bidirectional bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-6f86f7585789]

Also known as: Rally

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

8.7mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

110m

Dial Color

White

Jewels

31j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1965

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