Seiko Cal. 6163 - 118

The 6163-118 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6163 caliber with 18j jewels beating at 36,000 bph, it delivers a 43 hours power reserve. [seikata-wm-9a4aeb5fed2d]

Also known as: Sumo, World Timer

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

38mm

Case Thickness

10.9mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

White

Jewels

18j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1985

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