Seiko Cal. 0740 - 451

Seiko 0740-451

The 0740-451 is a sought-after Spring Drive piece from Seiko's golden era. The Inner Rotating bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-89e8d65b1134]

Also known as: Tuna, Baby Tuna

Specifications

Movement
Spring Drive
Case Material
Titanium
Case Width
35mm
Case Thickness
8.7mm
Lug Width
21mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
70m
Dial Color
Silver
Jewels
34j
Frequency
28,800 bph
Power Reserve
61 hours
Year
1973

Related Models

seikata-wm-89e8d65b1134