Seiko Cal. 3811 - 865

The 3811-865 is a sought-after Spring Drive piece from Seiko's golden era. It features a Cream dial protected by a Mineral crystal and offers 200m of water resistance. [seikata-wm-939cbb0b42c8]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

10.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

200m

Dial Color

Cream

Jewels

30j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1967

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