Seiko Cal. 6220 - 454

This Hand-Winding model from 1966 features a 40mm Hardlex-Coated Steel case. It features a Silver dial protected by a Sapphire crystal and offers 190m of water resistance. [seikata-wm-a3cb966d77dd]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

11.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

190m

Dial Color

Silver

Jewels

25j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1966

Related Models

• Seiko 6396-379
• Seiko 4476-441
• Seiko 6331-397
• Seiko 5279-817
• Seiko 7183-646
• Seiko 5228-466
• Seiko 6651-141
• Seiko 6285-313
• Seiko 5689-386
• Seiko 5648-398
• Seiko 4547-928
• Seiko 6265-234