Seiko Cal. 5627 - 639

Seiko 5627-639

The Seiko 5627-639 represents an important milestone in Seiko's 1977 lineup. Powered by the 5627 caliber with 27j jewels beating at 36,000 bph, it delivers a 63 hours power reserve. [seikata-wm-1368527ee8be]

Also known as: Sumo, Bullhead

Specifications

Movement
Quartz
Case Material
PVD Black
Case Width
46mm
Case Thickness
9.2mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
60m
Dial Color
Green
Jewels
27j
Frequency
36,000 bph
Power Reserve
63 hours
Year
1977

Related Models

seikata-wm-1368527ee8be