Seiko Cal. 5271 - 461

The Seiko 5271-461 represents an important milestone in Seiko's 1983 lineup. It features a Navy dial protected by a Sapphire crystal and offers 100m of water resistance. [seikata-wm-ecfe3ca52d2f]

Also known as: Sumo, Pogue

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

46mm

Case Thickness

14.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Navy

Jewels

18j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1983

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