Seiko Cal. 6639 - 775

The Seiko 6639-775 represents an important milestone in Seiko's 1967 lineup. It features a White dial protected by a Mineral crystal and offers 110m of water resistance. [seikata-wm-8a28baa2f4f7]

Also known as: Silverwave, Navigator

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

42mm

Case Thickness

10.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

110m

Dial Color

White

Jewels

35j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1967

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