Seiko Cal. 5623 - 101

This Spring Drive model from 1973 features a 41mm Two-Tone case. Powered by the 5623 caliber with 33j jewels beating at 36,000 bph, it delivers a 72 hours power reserve. [seikata-wm-bbbeef39414e]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

41mm

Case Thickness

9.0mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1973

Related Models

• Seiko 4429-464
• Seiko 3840-336
• Seiko 7181-285
• Seiko 7144-580
• Seiko 7188-425
• Seiko 6320-533
• Seiko 6274-422
• Seiko 5242-113
• Seiko 6113-778
• Seiko 7141-164
• Seiko 6247-538
• Seiko 7058-513