Seiko Cal. 5643 - 121

The 5643-121 is a sought-after Quartz piece from Seiko's golden era. Powered by the 5643 caliber with 36j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-7b0b741a67fa]

Also known as: Emperor

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

14.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

100m

Dial Color

Burgundy

Jewels

36j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1975

Related Models

• Seiko 7051-780
• Seiko 6124-369
• Seiko 3899-845
• Seiko 7125-164
• Seiko 7056-154
• Seiko 5221-717
• Seiko 7184-421
• Seiko 5245-720
• Seiko 7047-904
• Seiko 7123-450
• Seiko 6112-734
• Seiko 6634-107