Seiko Cal. 3870 - 944

The 3870-944 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 3870 caliber with 29j jewels beating at 36,000 bph, it delivers a 70 hours power reserve. [seikata-wm-89d5d430132e]

Also known as: Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

46mm

Case Thickness

8.9mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

White

Jewels

29j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1993

Related Models

• Seiko 4587-668
• Seiko 6657-273
• Seiko 6217-845
• Seiko 7020-469
• Seiko 4494-773
• Seiko 5280-806
• Seiko 6650-331
• Seiko 4429-957
• Seiko 6197-566
• Seiko 6677-187
• Seiko 0799-299
• Seiko 4545-134