Seiko Cal. 6646 - 147

The Seiko 6646-147 represents an important milestone in Seiko's 1991 lineup. It features a Silver dial protected by a Mineral crystal and offers 180m of water resistance. [seikata-wm-4b40fc88e6ee]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

8.8mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

180m

Dial Color

Silver

Jewels

24j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1991

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