Seiko Cal. 5263 - 789

Seiko 5263-789

The Seiko 5263-789 represents an important milestone in Seiko's 1984 lineup. Powered by the 5263 caliber with 22j jewels beating at 36,000 bph, it delivers a 62 hours power reserve. [seikata-wm-276014decce3]

Also known as: Helmet, Bellmatic

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
45mm
Case Thickness
9.1mm
Lug Width
18mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
100m
Dial Color
Black
Jewels
22j
Frequency
36,000 bph
Power Reserve
62 hours
Year
1984

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