Seiko Cal. 3879 - 975

This Spring Drive model from 1969 features a 45mm Stainless Steel case. It features a Green dial protected by a Mineral crystal and offers 80m of water resistance. [seikata-wm-e1e33f51b17d]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

13.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

80m

Dial Color

Green

Jewels

22j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1969

Related Models

• Seiko 5277-819
• Seiko 0796-428
• Seiko 5623-341
• Seiko 4565-452
• Seiko 7055-872
• Seiko 6262-239
• Seiko 4538-112
• Seiko 0739-713
• Seiko 5655-364
• Seiko 7015-440
• Seiko 4578-158
• Seiko 5697-120