Seiko Cal. 6170 - 691

Seiko 6170-691

This Hand-Winding model from 1970 features a 39mm Hardlex-Coated Steel case. The Inner Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-4ca025a8df07]

Also known as: Sumo, Bullhead

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
39mm
Case Thickness
10.4mm
Lug Width
20mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
180m
Dial Color
Silver
Jewels
18j
Frequency
21,600 bph
Power Reserve
44 hours
Year
1970

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seikata-wm-4ca025a8df07