Seiko Cal. 5278 - 491

The 5278-491 is a sought-after Spring Drive piece from Seiko's golden era. It features a Burgundy dial protected by a Sapphire crystal and offers 50m of water resistance. [seikata-wm-243a42d927fe]

Also known as: Sumo, Helmet

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

12.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Burgundy

Jewels

29j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1998

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