Seiko Cal. 5271 - 401

This Spring Drive model from 1998 features a 39mm Hardlex-Coated Steel case. It features a Cream dial protected by a Sapphire crystal and offers 90m of water resistance. [seikata-wm-272aa3d3a1b5]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

10.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Cream

Jewels

18j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1998

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