Seiko Cal. 4540 - 964

Seiko 4540-964

The 4540-964 is a sought-after Spring Drive piece from Seiko's golden era. The Coin-Edge bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-1f75b02fbb01]

Also known as: Monster

Specifications

Movement
Spring Drive
Case Material
Two-Tone
Case Width
37mm
Case Thickness
9.1mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
90m
Dial Color
Blue Sunburst
Jewels
34j
Frequency
21,600 bph
Power Reserve
67 hours
Year
1979

Related Models

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