Seiko Cal. 3846 - 257

The 3846-257 is a sought-after Hand-Winding piece from Seiko's golden era. It features a White dial protected by a Acrylic crystal and offers 160m of water resistance. [seikata-wm-5c3a6672caa0]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

13.9mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

160m

Dial Color

White

Jewels

17j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1972

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