Seiko Cal. 0720 - 603

The 0720-603 is a sought-after Quartz piece from Seiko's golden era. The Fixed bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-adf513ab1979]

Also known as: Samurai, Helmet

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

40mm

Case Thickness

13.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

30m

Dial Color

Black

Jewels

17j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1965

Related Models

• Seiko 5280-691
• Seiko 6113-873
• Seiko 6611-188
• Seiko 4412-354
• Seiko 4492-177
• Seiko 6695-338
• Seiko 4552-532
• Seiko 6288-741
• Seiko 0758-165
• Seiko 6181-335
• Seiko 7040-926
• Seiko 7188-319