Seiko Cal. 5276 - 664

Seiko 5276-664

The Seiko 5276-664 represents an important milestone in Seiko's 1967 lineup. Powered by the 5276 caliber with 30j jewels beating at 36,000 bph, it delivers a 36 hours power reserve. [seikata-wm-748753e997fc]

Also known as: Sumo, Navigator

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
46mm
Case Thickness
12.3mm
Lug Width
18mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
200m
Dial Color
Silver
Jewels
30j
Frequency
36,000 bph
Power Reserve
36 hours
Year
1967

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