Seiko Cal. 4437 - 713

This Solar model from 1977 features a 40mm Stainless Steel case. The Bidirectional bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-c6ed3ec90672]

Also known as: Silverwave

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

8.8mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Silver

Jewels

25j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1977

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