Seiko Cal. 3865 - 417

The 3865-417 is a sought-after Spring Drive piece from Seiko's golden era. The Fixed bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-28bbcb3fc356]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

12.4mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

90m

Dial Color

Silver

Jewels

31j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1988

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