Seiko Cal. 6645 - 133

Seiko 6645-133

This Automatic model from 1979 features a 42mm Stainless Steel case. Powered by the 6645 caliber with 20j jewels beating at 36,000 bph, it delivers a 40 hours power reserve. [seikata-wm-7d288260cf75]

Also known as: Sportsmatic

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
42mm
Case Thickness
15.4mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
200m
Dial Color
Navy
Jewels
20j
Frequency
36,000 bph
Power Reserve
40 hours
Year
1979

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