Seiko Cal. 6642 - 916

Released in 1986, the Cal. 6642 with design code 916 was part of Seiko's domestic market collection. Powered by the 6642 caliber with 35j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-704fc9969df0]

Also known as: Helmet, UFO

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

41mm

Case Thickness

9.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Champagne

Jewels

35j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1986

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