Seiko Cal. 4438 - 715

The Seiko 4438-715 represents an important milestone in Seiko's 1989 lineup. It features a Silver dial protected by a Sapphire crystal and offers 200m of water resistance. [seikata-wm-a442d74555b8]

Also known as: Helmet

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

41mm

Case Thickness

11.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Silver

Jewels

25j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1989

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