Seiko Cal. 6646 - 648

This Spring Drive model from 1999 features a 39mm Stainless Steel case. Powered by the 6646 caliber with 30j jewels beating at 21,600 bph, it delivers a 44 hours power reserve. [seikata-wm-f96e9c051b8f]

Also known as: Bellmatic, Arnie

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

10.4mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Navy

Jewels

30j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1999

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