Seiko Cal. 6221 - 987

Seiko 6221-987

The Seiko 6221-987 represents an important milestone in Seiko's 1971 lineup. Powered by the 6221 caliber with 23j jewels beating at 36,000 bph, it delivers a 64 hours power reserve. [seikata-wm-0d4caa088818]

Also known as: Monster, Silverwave

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
43mm
Case Thickness
12.0mm
Lug Width
19mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
80m
Dial Color
Burgundy
Jewels
23j
Frequency
36,000 bph
Power Reserve
64 hours
Year
1971

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