Seiko Cal. 6640 - 274

This Solar model from 1979 features a 39mm Stainless Steel case. It features a Burgundy dial protected by a Acrylic crystal and offers 200m of water resistance. [seikata-wm-0c5e5127fb00]

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

13.1mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Burgundy

Jewels

18j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1979

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