Seiko Cal. 3894 - 242

The Seiko 3894-242 represents an important milestone in Seiko's 1966 lineup. Powered by the 3894 caliber with 28j jewels beating at 36,000 bph, it delivers a 69 hours power reserve. [seikata-wm-f31fd5289644]

Also known as: Sportsmatic

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

14.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1966

Related Models

• Seiko 4531-107
• Seiko 3845-191
• Seiko 7184-580
• Seiko 4587-551
• Seiko 4444-282
• Seiko 7094-512
• Seiko 4541-299
• Seiko 6375-706
• Seiko 6374-304
• Seiko 6698-962
• Seiko 4447-298
• Seiko 4552-617