Seiko Cal. 7136 - 350

This Automatic model from 1968 features a 37mm PVD Black case. Powered by the 7136 caliber with 26j jewels beating at 36,000 bph, it delivers a 66 hours power reserve. [seikata-wm-bce9af44f4b1]

Also known as: Tuna, World Timer

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

37mm

Case Thickness

13.5mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

White

Jewels

26j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1968

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