Seiko Cal. 6258 - 647

Seiko 6258-647

The Seiko 6258-647 represents an important milestone in Seiko's 1978 lineup. Powered by the 6258 caliber with 34j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-4644db1f94d2]

Also known as: Bullhead, Bellmatic

Specifications

Movement
Solar
Case Material
PVD Black
Case Width
41mm
Case Thickness
13.1mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
190m
Dial Color
Green
Jewels
34j
Frequency
28,800 bph
Power Reserve
37 hours
Year
1978

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