Seiko Cal. 6131 - 617

Seiko 6131-617

The 6131-617 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6131 caliber with 29j jewels beating at 28,800 bph, it delivers a 61 hours power reserve. [seikata-wm-87b0d4d0964f]

Also known as: Navigator, Baby Tuna

Specifications

Movement
Kinetic
Case Material
PVD Black
Case Width
41mm
Case Thickness
13.5mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
90m
Dial Color
Champagne
Jewels
29j
Frequency
28,800 bph
Power Reserve
61 hours
Year
1965

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