Seiko Cal. 5617 - 343

This Spring Drive model from 1994 features a 42mm Two-Tone case. Powered by the 5617 caliber with 28j jewels beating at 28,800 bph, it delivers a 55 hours power reserve. [seikata-wm-8d36ea981a26]

Also known as: Monster, Crown

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

42mm

Case Thickness

10.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Cream

Jewels

28j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1994

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