Seiko Cal. 3815 - 787

This Spring Drive model from 1966 features a 36mm PVD Black case. It features a Cream dial protected by a Sapphire crystal and offers 170m of water resistance. [seikata-wm-a18c63e7368f]

Also known as: Rally, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

36mm

Case Thickness

14.4mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Cream

Jewels

23j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1966

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