Seiko Cal. 4540 - 124

Seiko 4540-124

The Seiko 4540-124 represents an important milestone in Seiko's 1979 lineup. Powered by the 4540 caliber with 34j jewels beating at 28,800 bph, it delivers a 72 hours power reserve. [seikata-wm-b200d4a5f848]

Also known as: Sportsmatic, Golden Tuna

Specifications

Movement
Spring Drive
Case Material
Two-Tone
Case Width
39mm
Case Thickness
14.9mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
110m
Dial Color
Blue Sunburst
Jewels
34j
Frequency
28,800 bph
Power Reserve
72 hours
Year
1979

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seikata-wm-b200d4a5f848