Seiko Cal. 6681 - 724

Seiko 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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