Seiko Cal. 4426 - 638

The Seiko 4426-638 represents an important milestone in Seiko's 1978 lineup. Powered by the 4426 caliber with 28j jewels beating at 28,800 bph, it delivers a 53 hours power reserve. [seikata-wm-84ac69780be9]

Also known as: Arnie

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

11.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Champagne

Jewels

28j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1978

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