Seiko Cal. 7186 - 644

Seiko 7186-644

The 7186-644 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 7186 caliber with 36j jewels beating at 36,000 bph, it delivers a 66 hours power reserve. [seikata-wm-f1580b8e3410]

Also known as: Tuna, UFO

Specifications

Movement
Kinetic
Case Material
Titanium
Case Width
39mm
Case Thickness
15.4mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
40m
Dial Color
Champagne
Jewels
36j
Frequency
36,000 bph
Power Reserve
66 hours
Year
1970

Related Models

seikata-wm-f1580b8e3410