Seiko Cal. 4427 - 494

The Seiko 4427-494 represents an important milestone in Seiko's 1977 lineup. The Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-7e4c65eb45e8]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

44mm

Case Thickness

10.3mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

190m

Dial Color

Champagne

Jewels

19j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1977

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