Seiko Cal. 3872 - 946

This Solar model from 1966 features a 41mm Stainless Steel case. It features a Black dial protected by a Acrylic crystal and offers 180m of water resistance. [seikata-wm-bc71a1983c3e]

Also known as: Sumo, UFO

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

14.4mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Black

Jewels

22j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1966

Related Models

• Seiko 6634-189
• Seiko 5277-240
• Seiko 5217-197
• Seiko 6181-380
• Seiko 5639-784
• Seiko 5267-143
• Seiko 4498-426
• Seiko 3898-655
• Seiko 6616-318
• Seiko 7160-568
• Seiko 6319-600
• Seiko 3855-811