Seiko Cal. 5657 - 493

The 5657-493 is a sought-after Hand-Winding piece from Seiko's golden era. The Coin-Edge bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-dd183118eb01]

Also known as: Tuna, Navigator

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

34mm

Case Thickness

10.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Burgundy

Jewels

19j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1992

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