Seiko Cal. 4441 - 398

The Seiko 4441-398 represents an important milestone in Seiko's 1977 lineup. It features a Navy dial protected by a Hardlex crystal and offers 170m of water resistance. [seikata-wm-11eafde9ca36]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

12.3mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

170m

Dial Color

Navy

Jewels

30j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1977

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