Seiko Cal. 4438 - 548

The Seiko 4438-548 represents an important milestone in Seiko's 1991 lineup. It features a White dial protected by a Acrylic crystal and offers 40m of water resistance. [seikata-wm-4dd1a6caf1cb]

Also known as: Helmet

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

46mm

Case Thickness

10.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

White

Jewels

27j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1991

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