Seiko Cal. 0743 - 784

This Spring Drive model from 1967 features a 45mm PVD Black case. With its 20mm lug width and 15.4mm profile, it sits comfortably on most wrists. [seikata-wm-0c9f8c8000b1]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

45mm

Case Thickness

15.4mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Silver

Jewels

27j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1967

Related Models

• Seiko 6677-850
• Seiko 5229-381
• Seiko 7164-189
• Seiko 6265-234
• Seiko 6274-729
• Seiko 5221-812
• Seiko 0788-320
• Seiko 6311-585
• Seiko 6171-133
• Seiko 6199-591
• Seiko 6244-893
• Seiko 6217-635