Seiko Cal. 5620 - 680

The Seiko 5620-680 represents an important milestone in Seiko's 1979 lineup. Powered by the 5620 caliber with 31j jewels beating at 28,800 bph, it delivers a 72 hours power reserve. [seikata-wm-7af51401de12]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

10.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

60m

Dial Color

Champagne

Jewels

31j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1979

Related Models

• Seiko 4585-294
• Seiko 5673-375
• Seiko 3878-410
• Seiko 5695-986
• Seiko 5260-882
• Seiko 6118-200
• Seiko 6624-396
• Seiko 4487-885
• Seiko 4488-522
• Seiko 4435-337
• Seiko 6144-576
• Seiko 4440-480