Seiko Cal. 6639 - 919

The Seiko 6639-919 represents an important milestone in Seiko's 1966 lineup. It features a Champagne dial protected by a Sapphire crystal and offers 120m of water resistance. [seikata-wm-7d041cd88c78]

Also known as: Bellmatic

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

38mm

Case Thickness

9.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Champagne

Jewels

23j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1966

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