Seiko Cal. 5221 - 287

Released in 1987, the Cal. 5221 with design code 287 was part of Seiko's domestic market collection. Powered by the 5221 caliber with 28j jewels beating at 36,000 bph, it delivers a 42 hours power reserve. [seikata-wm-c84723bfc02d]

Also known as: Sumo, Golden Tuna

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

41mm

Case Thickness

13.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Black

Jewels

28j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1987

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