Seiko Cal. 6647 - 222

The Seiko 6647-222 represents an important milestone in Seiko's 1990 lineup. Powered by the 6647 caliber with 21j jewels beating at 36,000 bph, it delivers a 66 hours power reserve. [seikata-wm-126c1f3bee2c]

Also known as: Panda, Helmet

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

14.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Cream

Jewels

21j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1990

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