Seiko Cal. 3866 - 216

The 3866-216 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 3866 caliber with 29j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-add5fe66eb45]

Also known as: Tuna, World Timer

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

46mm

Case Thickness

10.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Champagne

Jewels

29j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1974

Related Models

• Seiko 5673-171
• Seiko 0771-478
• Seiko 7193-716
• Seiko 5268-870
• Seiko 4547-190
• Seiko 7082-190
• Seiko 6369-457
• Seiko 6145-274
• Seiko 4546-209
• Seiko 4591-204
• Seiko 6148-805
• Seiko 6196-277