Seiko Cal. 6163 - 885

The Seiko 6163-885 represents an important milestone in Seiko's 1980 lineup. The Inner Rotating bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-de5eb5d9e11b]

Also known as: Baby Tuna, Emperor

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

10.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Green

Jewels

25j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1980

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