Seiko Cal. 3824 - 637

Seiko 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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