Seiko Cal. 7178 - 433

This Hand-Winding model from 1968 features a 37mm Two-Tone case. With its 22mm lug width and 15.2mm profile, it sits comfortably on most wrists. [seikata-wm-b41cb6bdb7b4]

Also known as: World Timer

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

37mm

Case Thickness

15.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Navy

Jewels

29j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1968

Related Models

• Seiko 6223-746
• Seiko 7142-178
• Seiko 5232-980
• Seiko 6218-213
• Seiko 4538-602
• Seiko 7131-385
• Seiko 6295-156
• Seiko 7018-113
• Seiko 7067-664
• Seiko 6244-331
• Seiko 0713-704
• Seiko 6659-835