Seiko Cal. 6646 - 332

This Hand-Winding model from 1970 features a 45mm Two-Tone case. Powered by the 6646 caliber with 36j jewels beating at 36,000 bph, it delivers a 63 hours power reserve. [seikata-wm-8f94338b9619]

Also known as: Bellmatic, World Timer

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

45mm

Case Thickness

9.2mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

180m

Dial Color

Burgundy

Jewels

36j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1970

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