Seiko Cal. 4438 - 133

The Seiko 4438-133 represents an important milestone in Seiko's 1997 lineup. The Fixed bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-9492d019c64b]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

12.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1997

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