Seiko Cal. 0723 - 781

Seiko 0723-781

The Seiko 0723-781 represents an important milestone in Seiko's 1965 lineup. The Rotating bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-3ffa46d36692]

Also known as: Tuna, Helmet

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
45mm
Case Thickness
12.3mm
Lug Width
20mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
60m
Dial Color
Green
Jewels
20j
Frequency
36,000 bph
Power Reserve
50 hours
Year
1965

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seikata-wm-3ffa46d36692