Seiko Cal. 6171 - 959

Seiko 6171-959

The Seiko 6171-959 represents an important milestone in Seiko's 1972 lineup. Powered by the 6171 caliber with 24j jewels beating at 21,600 bph, it delivers a 41 hours power reserve. [seikata-wm-3ae912efea9e]

Also known as: Sumo, Tuna

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
35mm
Case Thickness
9.9mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
80m
Dial Color
White
Jewels
24j
Frequency
21,600 bph
Power Reserve
41 hours
Year
1972

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