Seiko Cal. 7136 - 945

The Seiko 7136-945 represents an important milestone in Seiko's 1973 lineup. With its 18mm lug width and 12.3mm profile, it sits comfortably on most wrists. [seikata-wm-9be24897aaeb]

Also known as: Tuna

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

12.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1973

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