Seiko Cal. 7136 - 355

The Seiko 7136-355 represents an important milestone in Seiko's 1971 lineup. The Inner Rotating bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-f980e6aa89da]

Also known as: Sportsmatic, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

8.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Cream

Jewels

24j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1971

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