Seiko Cal. 6647 - 339

The Seiko 6647-339 represents an important milestone in Seiko's 1995 lineup. Powered by the 6647 caliber with 21j jewels beating at 36,000 bph, it delivers a 55 hours power reserve. [seikata-wm-af3eba17bd45]

Also known as: Arnie

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

44mm

Case Thickness

9.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

130m

Dial Color

Black

Jewels

21j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1995

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