Seiko Cal. 4438 - 417

The Seiko 4438-417 represents an important milestone in Seiko's 1988 lineup. With its 18mm lug width and 15.4mm profile, it sits comfortably on most wrists. [seikata-wm-3d3d60661fec]

Also known as: Monster

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

39mm

Case Thickness

15.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Navy

Jewels

28j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1988

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