Seiko Cal. 5211 - 665

The 5211-665 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5211 caliber with 28j jewels beating at 28,800 bph, it delivers a 66 hours power reserve. [seikata-wm-1516496d471c]

Also known as: Sumo, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

13.0mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Green

Jewels

28j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1987

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