Seiko Cal. 3891 - 323

The Seiko 3891-323 represents an important milestone in Seiko's 1967 lineup. Powered by the 3891 caliber with 18j jewels beating at 21,600 bph, it delivers a 67 hours power reserve. [seikata-wm-8783e4ce2cc6]

Also known as: Flighty

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

44mm

Case Thickness

8.4mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

80m

Dial Color

Green

Jewels

18j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1967

Related Models

• Seiko 6622-870
• Seiko 5651-506
• Seiko 7148-754
• Seiko 7077-784
• Seiko 7150-769
• Seiko 3816-390
• Seiko 3854-512
• Seiko 0731-209
• Seiko 6389-445
• Seiko 6349-220
• Seiko 6365-149
• Seiko 5294-238