Seiko Cal. 0789 - 423

Seiko 0789-423

The Seiko 0789-423 represents an important milestone in Seiko's 1979 lineup. Powered by the 0789 caliber with 21j jewels beating at 21,600 bph, it delivers a 36 hours power reserve. [seikata-wm-2382124cc5de]

Also known as: Pogue, Sportsmatic

Specifications

Movement
Spring Drive
Case Material
Gold-Plated
Case Width
43mm
Case Thickness
12.3mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
190m
Dial Color
Black
Jewels
21j
Frequency
21,600 bph
Power Reserve
36 hours
Year
1979

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