Seiko Cal. 4438 - 109

The Seiko 4438-109 represents an important milestone in Seiko's 1992 lineup. It features a Navy dial protected by a Acrylic crystal and offers 50m of water resistance. [seikata-wm-efb761f9f4c0]

Also known as: Sumo

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

15.5mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Navy

Jewels

25j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1992

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