Seiko Cal. 6645 - 274

Seiko 6645-274

The 6645-274 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6645 caliber with 24j jewels beating at 21,600 bph, it delivers a 39 hours power reserve. [seikata-wm-8b300c8d2eb8]

Also known as: Bullhead

Specifications

Movement
Automatic
Case Material
Gold-Plated
Case Width
40mm
Case Thickness
8.6mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
200m
Dial Color
Blue Sunburst
Jewels
24j
Frequency
21,600 bph
Power Reserve
39 hours
Year
1997

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