Seiko Cal. 5640 - 626

This Spring Drive model from 1988 features a 46mm PVD Black case. The Rotating bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-30bf12292d29]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

46mm

Case Thickness

8.4mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1988

Related Models

• Seiko 5226-811
• Seiko 5225-292
• Seiko 6235-398
• Seiko 6238-173
• Seiko 6372-162
• Seiko 4472-676
• Seiko 6193-224
• Seiko 6182-594
• Seiko 7080-971
• Seiko 0718-175
• Seiko 6150-429
• Seiko 6611-931