Seiko Cal. 3870 - 466

The Seiko 3870-466 represents an important milestone in Seiko's 1975 lineup. Powered by the 3870 caliber with 24j jewels beating at 28,800 bph, it delivers a 48 hours power reserve. [seikata-wm-6376490dad37]

Also known as: Helmet, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

11.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

60m

Dial Color

Champagne

Jewels

24j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1975

Related Models

• Seiko 7125-670
• Seiko 6625-975
• Seiko 6623-616
• Seiko 0772-743
• Seiko 6284-410
• Seiko 5614-451
• Seiko 6297-833
• Seiko 7020-331
• Seiko 6128-316
• Seiko 4424-140
• Seiko 4443-232
• Seiko 6370-606