Seiko Cal. 3878 - 285

This Automatic model from 1965 features a 41mm Stainless Steel case. It features a Champagne dial protected by a Mineral crystal and offers 130m of water resistance. [seikata-wm-5466e8ebcac8]

Also known as: Sumo, Golden Tuna

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

14.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Champagne

Jewels

29j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1965

Related Models

• Seiko 6257-423
• Seiko 6371-696
• Seiko 6667-177
• Seiko 4521-500
• Seiko 5233-289
• Seiko 4410-553
• Seiko 7147-631
• Seiko 0792-431
• Seiko 6665-472
• Seiko 6366-568
• Seiko 3873-845
• Seiko 0785-946