Seiko Cal. 3815 - 235

This Hand-Winding model from 1980 features a 35mm Gold-Plated case. It features a Black dial protected by a Mineral crystal and offers 130m of water resistance. [seikata-wm-c87450444d41]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

15.8mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Black

Jewels

24j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1980

Related Models

• Seiko 5686-790
• Seiko 0789-510
• Seiko 6613-527
• Seiko 5241-200
• Seiko 6691-527
• Seiko 7052-735
• Seiko 5693-387
• Seiko 7184-952
• Seiko 7053-723
• Seiko 7062-733
• Seiko 0790-178
• Seiko 0715-264