Seiko Cal. 6636 - 109

The 6636-109 is a sought-after Solar piece from Seiko's golden era. It features a White dial protected by a Mineral crystal and offers 50m of water resistance. [seikata-wm-1307b7de1bb1]

Also known as: Navigator

Specifications

Movement

Solar

Case Material

Titanium

Case Width

41mm

Case Thickness

14.6mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

50m

Dial Color

White

Jewels

24j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1977

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