Seiko Cal. 5271 - 780

The Seiko 5271-780 represents an important milestone in Seiko's 1991 lineup. Powered by the 5271 caliber with 22j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-7627270aff5f]

Also known as: Sumo, Pogue

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

8.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Navy

Jewels

22j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1991

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