Seiko Cal. 5697 - 337

The 5697-337 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5697 caliber with 29j jewels beating at 36,000 bph, it delivers a 48 hours power reserve. [seikata-wm-db6a13e008c6]

Also known as: Tuna, World Timer

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

13.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Navy

Jewels

29j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1988

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