Seiko Cal. 6645 - 307

Seiko 6645-307

This Hand-Winding model from 1995 features a 41mm Hardlex-Coated Steel case. Powered by the 6645 caliber with 27j jewels beating at 21,600 bph, it delivers a 69 hours power reserve. [seikata-wm-4e3bd961c972]

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
41mm
Case Thickness
8.2mm
Lug Width
18mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
170m
Dial Color
Blue Sunburst
Jewels
27j
Frequency
21,600 bph
Power Reserve
69 hours
Year
1995

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seikata-wm-4e3bd961c972