Seiko Cal. 7178 - 740

This Quartz model from 1983 features a 40mm Stainless Steel case. Powered by the 7178 caliber with 21j jewels beating at 21,600 bph, it delivers a 65 hours power reserve. [seikata-wm-c68a5906ca59]

Also known as: Emperor

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

12.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Champagne

Jewels

21j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1983

Related Models

• Seiko 6135-441
• Seiko 4432-115
• Seiko 6167-311
• Seiko 0774-519
• Seiko 6275-601
• Seiko 5234-826
• Seiko 6150-342
• Seiko 3873-441
• Seiko 6377-398
• Seiko 6622-106
• Seiko 5251-654
• Seiko 6666-550