Seiko Cal. 6647 - 433

The Seiko 6647-433 represents an important milestone in Seiko's 1980 lineup. It features a Champagne dial protected by a Mineral crystal and offers 40m of water resistance. [seikata-wm-8a4b2f70939b]

Also known as: Navigator

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

39mm

Case Thickness

11.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Champagne

Jewels

31j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1980

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