Seiko Cal. 7163 - 993

Seiko 7163-993

The Seiko 7163-993 represents an important milestone in Seiko's 1988 lineup. Powered by the 7163 caliber with 33j jewels beating at 28,800 bph, it delivers a 45 hours power reserve. [seikata-wm-adab5e82c67a]

Also known as: Helmet, Sportsmatic

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
41mm
Case Thickness
12.2mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
70m
Dial Color
Blue Sunburst
Jewels
33j
Frequency
28,800 bph
Power Reserve
45 hours
Year
1988

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