Seiko Cal. 7163 - 231

The Seiko 7163-231 represents an important milestone in Seiko's 1995 lineup. Powered by the 7163 caliber with 35j jewels beating at 28,800 bph, it delivers a 43 hours power reserve. [seikata-wm-de76af1bef0a]

Also known as: Bellmatic, Flighty

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

37mm

Case Thickness

15.2mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Burgundy

Jewels

35j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1995

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