Seiko Cal. 3827 - 664

This Spring Drive model from 1965 features a 38mm Gold-Plated case. It features a Black dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-034bf61a354e]

Also known as: Sea Horse, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

11.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

140m

Dial Color

Black

Jewels

33j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1965

Related Models

• Seiko 4456-427
• Seiko 6273-302
• Seiko 4435-521
• Seiko 6251-138
• Seiko 3839-969
• Seiko 0754-783
• Seiko 4412-323
• Seiko 3854-747
• Seiko 3898-323
• Seiko 0747-807
• Seiko 4547-271
• Seiko 4565-415