Seiko Cal. 0721 - 401

This Spring Drive model from 1993 features a 40mm Hardlex-Coated Steel case. It features a Green dial protected by a Hardlex crystal and offers 130m of water resistance. [seikata-wm-c812b71494bd]

Also known as: Rally, World Timer

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

10.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Green

Jewels

26j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1993

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