Seiko Cal. 3815 - 540

The 3815-540 is a sought-after Solar piece from Seiko's golden era. The Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-88b3cd69bb67]

Also known as: Monster

Specifications

Movement

Solar

Case Material

Titanium

Case Width

37mm

Case Thickness

13.5mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

60m

Dial Color

Green

Jewels

28j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1996

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