Seiko Cal. 4421 - 645

This Kinetic model from 1977 features a 35mm Hardlex-Coated Steel case. It features a Green dial protected by a Sapphire crystal and offers 110m of water resistance. [seikata-wm-34405903a00a]

Also known as: Turtle

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

8.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

110m

Dial Color

Green

Jewels

36j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1977

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