Seiko Cal. 5688 - 597

The 5688-597 is a sought-after Hand-Winding piece from Seiko's golden era. The Coin-Edge bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-7464bcee05df]

Also known as: Tuna, Navigator

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

9.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

White

Jewels

26j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1997

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