Seiko Cal. 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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