Seiko Cal. 3830 - 927

Seiko 3830-927

The 3830-927 is a sought-after Spring Drive piece from Seiko's golden era. It features a Black dial protected by a Mineral crystal and offers 40m of water resistance. [seikata-wm-fe1ea01bedd6]

Also known as: Helmet

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
37mm
Case Thickness
14.6mm
Lug Width
18mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
40m
Dial Color
Black
Jewels
24j
Frequency
21,600 bph
Power Reserve
57 hours
Year
1965

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