Seiko Cal. 5640 - 303

This Spring Drive model from 1989 features a 46mm Two-Tone case. Powered by the 5640 caliber with 36j jewels beating at 36,000 bph, it delivers a 62 hours power reserve. [seikata-wm-a8a72d7f685b]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

46mm

Case Thickness

12.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Cream

Jewels

36j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1989

Related Models

• Seiko 6151-794
• Seiko 7075-299
• Seiko 6323-183
• Seiko 0794-592
• Seiko 6270-697
• Seiko 7155-838
• Seiko 5283-783
• Seiko 0747-320
• Seiko 6396-503
• Seiko 4571-798
• Seiko 7174-952
• Seiko 0779-505