Seiko Cal. 0723 - 639

The 0723-639 is a sought-after Quartz piece from Seiko's golden era. Powered by the 0723 caliber with 26j jewels beating at 36,000 bph, it delivers a 46 hours power reserve. [seikata-wm-d22fed5242cc]

Also known as: Arnie

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

43mm

Case Thickness

14.5mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

70m

Dial Color

White

Jewels

26j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1971

Related Models

• Seiko 4436-888
• Seiko 6683-585
• Seiko 6635-387
• Seiko 4563-358
• Seiko 3867-779
• Seiko 4455-477
• Seiko 3867-691
• Seiko 0767-730
• Seiko 6148-496
• Seiko 4488-682
• Seiko 5699-558
• Seiko 5669-392