Seiko Cal. 6645 - 370

Seiko 6645-370

This Kinetic model from 1972 features a 41mm Titanium case. Powered by the 6645 caliber with 31j jewels beating at 21,600 bph, it delivers a 44 hours power reserve. [seikata-wm-6e0ec4eceb13]

Specifications

Movement
Kinetic
Case Material
Titanium
Case Width
41mm
Case Thickness
9.2mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
30m
Dial Color
Silver
Jewels
31j
Frequency
21,600 bph
Power Reserve
44 hours
Year
1972

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seikata-wm-6e0ec4eceb13