Seiko Cal. 4540 - 270

Seiko 4540-270

This Quartz model from 1968 features a 38mm Two-Tone case. The Inner Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-4d12a540e3a6]

Also known as: Turtle, World Timer

Specifications

Movement
Quartz
Case Material
Two-Tone
Case Width
38mm
Case Thickness
8.3mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
100m
Dial Color
Navy
Jewels
21j
Frequency
21,600 bph
Power Reserve
62 hours
Year
1968

Related Models

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