Seiko Cal. 4422 - 687

The Seiko 4422-687 represents an important milestone in Seiko's 1987 lineup. Powered by the 4422 caliber with 33j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-de3cfb2b0852]

Also known as: Bellmatic, Arnie

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

15.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

80m

Dial Color

White

Jewels

33j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1987

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