Seiko Cal. 0720 - 344

The 0720-344 is a sought-after Spring Drive piece from Seiko's golden era. It features a Black dial protected by a Mineral crystal and offers 60m of water resistance. [seikata-wm-4775235ee903]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

42mm

Case Thickness

11.5mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

60m

Dial Color

Black

Jewels

17j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1980

Related Models

• Seiko 6344-260
• Seiko 6322-867
• Seiko 4553-163
• Seiko 4574-299
• Seiko 7157-706
• Seiko 6183-552
• Seiko 7149-846
• Seiko 4584-668
• Seiko 6651-500
• Seiko 6126-213
• Seiko 4440-339
• Seiko 6335-351