Seiko Cal. 7136 - 688

The Seiko 7136-688 represents an important milestone in Seiko's 1974 lineup. Powered by the 7136 caliber with 22j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-d389ae489729]

Also known as: Turtle

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

11.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Black

Jewels

22j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1974

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