Seiko Cal. 0726 - 648

This Hand-Winding model from 1973 features a 45mm PVD Black case. It features a Green dial protected by a Hardlex crystal and offers 60m of water resistance. [seikata-wm-33c2c11e38c6]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

45mm

Case Thickness

14.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Green

Jewels

28j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1973

Related Models

• Seiko 6640-461
• Seiko 3896-892
• Seiko 6135-892
• Seiko 6663-572
• Seiko 4556-961
• Seiko 7188-227
• Seiko 5252-639
• Seiko 0720-992
• Seiko 4435-910
• Seiko 5239-466
• Seiko 6113-268
• Seiko 6674-236