Seiko Cal. 4438 - 850

The Seiko 4438-850 represents an important milestone in Seiko's 1971 lineup. It features a Navy dial protected by a Hardlex crystal and offers 60m of water resistance. [seikata-wm-2f5afb8f6ad6]

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

9.8mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Navy

Jewels

28j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1971

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