Seiko Cal. 3894 - 931

Seiko 3894-931

The 3894-931 is a sought-after Spring Drive piece from Seiko's golden era. It features a Cream dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-00e6014f7152]

Also known as: Turtle, Helmet

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
40mm
Case Thickness
8.9mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
90m
Dial Color
Cream
Jewels
19j
Frequency
21,600 bph
Power Reserve
68 hours
Year
1968

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seikata-wm-00e6014f7152