Seiko Cal. 4420 - 685

The Seiko 4420-685 represents an important milestone in Seiko's 1993 lineup. Powered by the 4420 caliber with 28j jewels beating at 21,600 bph, it delivers a 67 hours power reserve. [seikata-wm-d9471b0ae03f]

Also known as: Arnie

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

37mm

Case Thickness

12.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

200m

Dial Color

Navy

Jewels

28j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1993

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