Seiko Cal. 3873 - 709

The 3873-709 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3873 caliber with 25j jewels beating at 21,600 bph, it delivers a 41 hours power reserve. [seikata-wm-447d166b5252]

Also known as: Turtle, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

15.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

White

Jewels

25j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1979

Related Models

• Seiko 6193-472
• Seiko 6693-886
• Seiko 6361-584
• Seiko 0772-905
• Seiko 4569-148
• Seiko 4521-289
• Seiko 6618-220
• Seiko 6169-957
• Seiko 5687-575
• Seiko 6214-351
• Seiko 0775-715
• Seiko 7011-136