Seiko Cal. 5276 - 663

The 5276-663 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 60m of water resistance. [seikata-wm-75cf245eea27]

Also known as: Sumo, Crown

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

8.1mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

34j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1968

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