Seiko Cal. 6277 - 636

Seiko 6277-636

The 6277-636 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6277 caliber with 20j jewels beating at 36,000 bph, it delivers a 40 hours power reserve. [seikata-wm-760834be8321]

Also known as: Sumo, Bellmatic

Specifications

Movement
Quartz
Case Material
Gold-Plated
Case Width
45mm
Case Thickness
15.7mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
170m
Dial Color
Green
Jewels
20j
Frequency
36,000 bph
Power Reserve
40 hours
Year
1981

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seikata-wm-760834be8321