Seiko Cal. 6186 - 721

Seiko 6186-721

The 6186-721 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6186 caliber with 28j jewels beating at 21,600 bph, it delivers a 36 hours power reserve. [seikata-wm-d615379afc57]

Also known as: Turtle, Sumo

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
45mm
Case Thickness
8.4mm
Lug Width
20mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
160m
Dial Color
Burgundy
Jewels
28j
Frequency
21,600 bph
Power Reserve
36 hours
Year
1976

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