Seiko Cal. 5628 - 428

This Spring Drive model from 1993 features a 34mm PVD Black case. Powered by the 5628 caliber with 23j jewels beating at 21,600 bph, it delivers a 39 hours power reserve. [seikata-wm-52eb90a44461]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

34mm

Case Thickness

12.5mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Black

Jewels

23j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1993

Related Models

• Seiko 5222-955
• Seiko 6191-406
• Seiko 6232-301
• Seiko 6139-168
• Seiko 4448-948
• Seiko 6155-328
• Seiko 4460-986
• Seiko 6182-481
• Seiko 6217-762
• Seiko 5269-615
• Seiko 5211-559
• Seiko 4585-226