Seiko Cal. 3820 - 435

This Automatic model from 1985 features a 40mm Gold-Plated case. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 40m of water resistance. [seikata-wm-ca74f4d06e92]

Also known as: Navigator, Arnie

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

14.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1985

Related Models

• Seiko 3817-167
• Seiko 7072-492
• Seiko 4420-321
• Seiko 7084-144
• Seiko 5245-389
• Seiko 6614-468
• Seiko 5627-852
• Seiko 4416-535
• Seiko 3855-810
• Seiko 5631-385
• Seiko 6678-834
• Seiko 4594-314