Seiko Cal. 6645 - 302

The 6645-302 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6645 caliber with 26j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-2a4360719f33]

Also known as: Bellmatic

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

10.2mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Champagne

Jewels

26j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1971

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