Seiko Cal. 5220 - 712

The Seiko 5220-712 represents an important milestone in Seiko's 1997 lineup. Powered by the 5220 caliber with 29j jewels beating at 36,000 bph, it delivers a 48 hours power reserve. [seikata-wm-56417d43d98e]

Also known as: Tuna, Baby Tuna

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

11.1mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

80m

Dial Color

Navy

Jewels

29j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1997

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