Seiko Cal. 4438 - 668

This Spring Drive model from 1978 features a 44mm Gold-Plated case. The Coin-Edge bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-6739af03bacb]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

14.9mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Silver

Jewels

31j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1978

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