Seiko Cal. 4454 - 257

Seiko 4454-257

The Seiko 4454-257 represents an important milestone in Seiko's 1966 lineup. The Rotating bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-befa7fb89e2a]

Also known as: Sportsmatic, Sea Horse

Specifications

Movement
Hand-Winding
Case Material
Gold-Plated
Case Width
45mm
Case Thickness
13.4mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
80m
Dial Color
Black
Jewels
35j
Frequency
21,600 bph
Power Reserve
36 hours
Year
1966

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