Seiko Cal. 6163 - 105

The Seiko 6163-105 represents an important milestone in Seiko's 1967 lineup. Powered by the 6163 caliber with 35j jewels beating at 36,000 bph, it delivers a 58 hours power reserve. [seikata-wm-9d4fe09b84f4]

Also known as: Bullhead, UFO

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

43mm

Case Thickness

15.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Black

Jewels

35j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1967

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