Seiko Cal. 6163 - 305

The Seiko 6163-305 represents an important milestone in Seiko's 1987 lineup. Powered by the 6163 caliber with 30j jewels beating at 21,600 bph, it delivers a 62 hours power reserve. [seikata-wm-23a22fdc30da]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

34mm

Case Thickness

12.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

White

Jewels

30j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1987

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