Seiko Cal. 5656 - 634

The 5656-634 is a sought-after Hand-Winding piece from Seiko's golden era. It features a White dial protected by a Sapphire crystal and offers 170m of water resistance. [seikata-wm-0df40216f264]

Also known as: Tuna, Navigator

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

35mm

Case Thickness

14.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

170m

Dial Color

White

Jewels

19j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1992

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