Seiko Cal. 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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