Seiko Cal. 4440 - 317

The Seiko 4440-317 represents an important milestone in Seiko's 1978 lineup. It features a Champagne dial protected by a Hardlex crystal and offers 60m of water resistance. [seikata-wm-8248b32e3207]

Also known as: Monster

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

11.0mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Champagne

Jewels

32j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1978

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