Seiko Cal. 0726 - 638

The Seiko 0726-638 represents an important milestone in Seiko's 1973 lineup. The Inner Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-2e88f3a39c64]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

38mm

Case Thickness

12.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Green

Jewels

32j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1973

Related Models

• Seiko 6655-767
• Seiko 6683-543
• Seiko 6240-202
• Seiko 5626-154
• Seiko 5283-392
• Seiko 4464-439
• Seiko 4494-567
• Seiko 6264-375
• Seiko 3820-741
• Seiko 3892-560
• Seiko 7143-193
• Seiko 7173-804