Seiko Cal. 3837 - 684

Seiko 3837-684

The 3837-684 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3837 caliber with 26j jewels beating at 21,600 bph, it delivers a 58 hours power reserve. [seikata-wm-81a21f0bb94e]

Also known as: Helmet

Specifications

Movement
Spring Drive
Case Material
Gold-Plated
Case Width
36mm
Case Thickness
15.8mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
190m
Dial Color
Silver
Jewels
26j
Frequency
21,600 bph
Power Reserve
58 hours
Year
1969

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