Seiko Cal. 6316 - 639

Seiko 6316-639

The Seiko 6316-639 represents an important milestone in Seiko's 1979 lineup. Powered by the 6316 caliber with 27j jewels beating at 36,000 bph, it delivers a 68 hours power reserve. [seikata-wm-18c07623e29e]

Also known as: Monster

Specifications

Movement
Kinetic
Case Material
Titanium
Case Width
41mm
Case Thickness
8.2mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
180m
Dial Color
Green
Jewels
27j
Frequency
36,000 bph
Power Reserve
68 hours
Year
1979

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seikata-wm-18c07623e29e