Seiko Cal. 6681 - 724

The Seiko 6681-724 represents an important milestone in Seiko's 1968 lineup. Powered by the 6681 caliber with 26j jewels beating at 28,800 bph, it delivers a 44 hours power reserve. [seikata-wm-c31ad3f4c07f]

Also known as: Turtle, Sportsmatic

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

10.1mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Black

Jewels

26j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1968

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