Seiko Cal. 3818 - 193

This Spring Drive model from 1987 features a 40mm Two-Tone case. It features a Burgundy dial protected by a Acrylic crystal and offers 90m of water resistance. [seikata-wm-7d3af1338a90]

Also known as: Golden Tuna, Arnie

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

14.3mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Burgundy

Jewels

24j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1987

Related Models

• Seiko 6156-442
• Seiko 6142-767
• Seiko 6333-250
• Seiko 7140-370
• Seiko 3845-271
• Seiko 7143-137
• Seiko 6653-318
• Seiko 6194-625
• Seiko 6176-145
• Seiko 4477-580
• Seiko 6660-123
• Seiko 5294-560