Seiko Cal. 3877 - 321

The 3877-321 is a sought-after Solar piece from Seiko's golden era. With its 18mm lug width and 8.1mm profile, it sits comfortably on most wrists. [seikata-wm-43ea30466645]

Also known as: Golden Tuna

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

8.1mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Black

Jewels

20j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1969

Related Models

• Seiko 6640-884
• Seiko 4551-506
• Seiko 5653-186
• Seiko 3833-781
• Seiko 6383-652
• Seiko 4430-987
• Seiko 0723-303
• Seiko 6673-211
• Seiko 0773-961
• Seiko 6612-681
• Seiko 6641-481
• Seiko 3844-356