Seiko Cal. 5697 - 740

The 5697-740 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5697 caliber with 17j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-774f46fdd21c]

Also known as: Turtle, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

8.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

70m

Dial Color

Green

Jewels

17j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1976

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