Seiko Cal. 7112 - 378

The Seiko 7112-378 represents an important milestone in Seiko's 1966 lineup. Powered by the 7112 caliber with 27j jewels beating at 21,600 bph, it delivers a 71 hours power reserve. [seikata-wm-002c8006ff42]

Also known as: Sportsmatic, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

13.7mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Navy

Jewels

27j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1966

Related Models

• Seiko 6399-350
• Seiko 3813-864
• Seiko 7178-351
• Seiko 7051-339
• Seiko 4591-870
• Seiko 3831-308
• Seiko 6317-471
• Seiko 6616-257
• Seiko 0720-911
• Seiko 0790-463
• Seiko 4499-236
• Seiko 5238-263