Seiko Cal. 6643 - 845

Seiko 6643-845

This Automatic model from 1968 features a 43mm Stainless Steel case. The Rotating bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-72c77d0d5d4c]

Also known as: Sumo, Sea Horse

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
43mm
Case Thickness
9.7mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
180m
Dial Color
Green
Jewels
18j
Frequency
36,000 bph
Power Reserve
49 hours
Year
1968

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seikata-wm-72c77d0d5d4c