Seiko Cal. 7136 - 257

The Seiko 7136-257 represents an important milestone in Seiko's 1971 lineup. The Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-d6457633d88c]

Also known as: Rally, Crown

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

12.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

90m

Dial Color

Champagne

Jewels

22j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1971

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