Seiko Cal. 3854 - 518

The 3854-518 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 3854 caliber with 33j jewels beating at 36,000 bph, it delivers a 71 hours power reserve. [seikata-wm-3fa6d9938313]

Also known as: Helmet, Arnie

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

10.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Navy

Jewels

33j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1978

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