Seiko Cal. 3894 - 418

The Seiko 3894-418 represents an important milestone in Seiko's 1971 lineup. Powered by the 3894 caliber with 17j jewels beating at 36,000 bph, it delivers a 52 hours power reserve. [seikata-wm-f066f74d307b]

Also known as: Tuna, World Timer

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

15.4mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Green

Jewels

17j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1971

Related Models

• Seiko 0773-899
• Seiko 0733-805
• Seiko 7170-598
• Seiko 7096-808
• Seiko 3811-514
• Seiko 5267-856
• Seiko 7126-747
• Seiko 4493-743
• Seiko 7049-586
• Seiko 7176-973
• Seiko 0729-541
• Seiko 6324-631