Seiko Cal. 3820 - 103

This Automatic model from 1978 features a 36mm Titanium case. It features a Champagne dial protected by a Acrylic crystal and offers 150m of water resistance. [seikata-wm-9651077e0d9e]

Also known as: Sumo, Bullhead

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

36mm

Case Thickness

11.6mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

150m

Dial Color

Champagne

Jewels

18j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1978

Related Models

• Seiko 0791-563
• Seiko 3870-273
• Seiko 6143-253
• Seiko 4413-475
• Seiko 3873-469
• Seiko 6371-341
• Seiko 7027-667
• Seiko 5275-150
• Seiko 3885-125
• Seiko 7036-755
• Seiko 5248-378
• Seiko 0766-656