Seiko Cal. 4438 - 589

The Seiko 4438-589 represents an important milestone in Seiko's 1978 lineup. It features a Navy dial protected by a Mineral crystal and offers 120m of water resistance. [seikata-wm-4b8f59f9eae4]

Also known as: Pogue, Helmet

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

46mm

Case Thickness

12.0mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

120m

Dial Color

Navy

Jewels

30j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1978

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