Seiko Cal. 3815 - 509

The 3815-509 is a sought-after Solar piece from Seiko's golden era. The Inner Rotating bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-a8f992a85fb7]

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

45mm

Case Thickness

12.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Silver

Jewels

34j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1987

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