Seiko Cal. 3863 - 815

Released in 1972, the Cal. 3863 with design code 815 was part of Seiko's domestic market collection. It features a Champagne dial protected by a Mineral crystal and offers 110m of water resistance. [seikata-wm-dd15a6efe4f0]

Also known as: Helmet, Rally

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

11.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

110m

Dial Color

Champagne

Jewels

26j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1972

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