Seiko Cal. 4438 - 850

The Seiko 4438-850 represents an important milestone in Seiko's 1981 lineup. The Inner Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-1db291a640b0]

Also known as: Pogue, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

13.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Silver

Jewels

19j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1981

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