Seiko Cal. 3894 - 665

The 3894-665 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3894 caliber with 28j jewels beating at 21,600 bph, it delivers a 63 hours power reserve. [seikata-wm-a9e3fc8cfb53]

Also known as: Monster

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

8.4mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Navy

Jewels

28j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1998

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