Seiko Cal. 4442 - 904

This Spring Drive model from 1993 features a 42mm Gold-Plated case. Powered by the 4442 caliber with 35j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-122d9958f4a4]

Also known as: Monster, Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

15.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Black

Jewels

35j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1993

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