Seiko Cal. 6640 - 273

This Solar model from 1979 features a 45mm Stainless Steel case. It features a Burgundy dial protected by a Acrylic crystal and offers 60m of water resistance. [seikata-wm-3c1bc1d4d634]

Also known as: Navigator

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

12.7mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Burgundy

Jewels

20j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1979

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