Seiko Cal. 3824 - 637

The 3824-637 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 3824 caliber with 27j jewels beating at 21,600 bph, it delivers a 39 hours power reserve. [seikata-wm-d542bee488ad]

Also known as: Tuna, Navigator

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

41mm

Case Thickness

11.7mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Burgundy

Jewels

27j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1970

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