Seiko Cal. 3813 - 240

Seiko 3813-240

The 3813-240 is a sought-after Solar piece from Seiko's golden era. The Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-7f49207da4f7]

Also known as: World Timer

Specifications

Movement
Solar
Case Material
Two-Tone
Case Width
38mm
Case Thickness
9.9mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
40m
Dial Color
White
Jewels
29j
Frequency
21,600 bph
Power Reserve
36 hours
Year
1979

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