Seiko Cal. 5276 - 278

Seiko 5276-278

The Seiko 5276-278 represents an important milestone in Seiko's 1975 lineup. Powered by the 5276 caliber with 17j jewels beating at 28,800 bph, it delivers a 38 hours power reserve. [seikata-wm-79c2cdb4d09f]

Also known as: Monster, Rally

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
40mm
Case Thickness
12.5mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
190m
Dial Color
White
Jewels
17j
Frequency
28,800 bph
Power Reserve
38 hours
Year
1975

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