Seiko Cal. 3854 - 665

The 3854-665 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3854 caliber with 21j jewels beating at 28,800 bph, it delivers a 47 hours power reserve. [seikata-wm-6ba55e2fc497]

Also known as: Bullhead, Rally

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

12.4mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Burgundy

Jewels

21j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1984

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