Seiko Cal. 6343 - 975

This Quartz model from 1970 features a 42mm Hardlex-Coated Steel case. Powered by the 6343 caliber with 31j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-f0c4b4132088]

Also known as: Monster, Baby Tuna

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

9.7mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Black

Jewels

31j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1970

Related Models

• Seiko 5680-551
• Seiko 4479-732
• Seiko 6156-831
• Seiko 5239-433
• Seiko 6649-954
• Seiko 5270-391
• Seiko 6165-600
• Seiko 5666-203
• Seiko 3872-791
• Seiko 3827-580
• Seiko 6667-475
• Seiko 4516-474