Seiko Cal. 4439 - 387

This Solar model from 1981 features a 37mm Stainless Steel case. It features a Silver dial protected by a Mineral crystal and offers 170m of water resistance. [seikata-wm-20307188b2c1]

Also known as: Sportsmatic

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

12.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Silver

Jewels

34j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1981

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