Seiko Cal. 3854 - 642

The 3854-642 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3854 caliber with 18j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-6745e4139f5d]

Also known as: Flighty

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

45mm

Case Thickness

13.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

160m

Dial Color

Champagne

Jewels

18j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1981

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