Seiko Cal. 3875 - 803

The 3875-803 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3875 caliber with 34j jewels beating at 36,000 bph, it delivers a 53 hours power reserve. [seikata-wm-c57fbd1b7343]

Also known as: Monster

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

15.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

70m

Dial Color

Black

Jewels

34j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1967

Related Models

• Seiko 7092-663
• Seiko 5277-237
• Seiko 0710-493
• Seiko 4419-387
• Seiko 6683-745
• Seiko 5266-259
• Seiko 6285-767
• Seiko 7045-193
• Seiko 0722-823
• Seiko 4563-665
• Seiko 5210-127
• Seiko 0733-733