Seiko Cal. 5220 - 387

Released in 1970, the Cal. 5220 with design code 387 was part of Seiko's domestic market collection. Powered by the 5220 caliber with 24j jewels beating at 36,000 bph, it delivers a 36 hours power reserve. [seikata-wm-193db703403f]

Also known as: Tuna, Pogue

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

38mm

Case Thickness

11.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

White

Jewels

24j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1970

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