Seiko Cal. 0740 - 454

Seiko 0740-454

The Seiko 0740-454 represents an important milestone in Seiko's 1969 lineup. The Inner Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-4a35187932b8]

Also known as: Bellmatic, Baby Tuna

Specifications

Movement
Solar
Case Material
PVD Black
Case Width
41mm
Case Thickness
8.3mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
50m
Dial Color
Champagne
Jewels
22j
Frequency
21,600 bph
Power Reserve
68 hours
Year
1969

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