Seiko Cal. 4417 - 187

The Seiko 4417-187 represents an important milestone in Seiko's 1993 lineup. Powered by the 4417 caliber with 25j jewels beating at 28,800 bph, it delivers a 69 hours power reserve. [seikata-wm-4ff6582fe761]

Also known as: Bullhead

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

8.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Black

Jewels

25j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1993

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