Seiko Cal. 3816 - 542

This Automatic model from 1991 features a 37mm Gold-Plated case. Powered by the 3816 caliber with 31j jewels beating at 28,800 bph, it delivers a 50 hours power reserve. [seikata-wm-128be8b294f4]

Also known as: Baby Tuna

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

13.5mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Champagne

Jewels

31j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1991

Related Models

• Seiko 6672-930
• Seiko 3811-812
• Seiko 5219-827
• Seiko 4578-224
• Seiko 5673-583
• Seiko 7063-526
• Seiko 7172-374
• Seiko 6238-630
• Seiko 6159-744
• Seiko 6110-723
• Seiko 7177-747
• Seiko 3881-811