Seiko Cal. 3815 - 730

The 3815-730 is a sought-after Spring Drive piece from Seiko's golden era. It features a Cream dial protected by a Hardlex crystal and offers 100m of water resistance. [seikata-wm-122d70efdf44]

Also known as: Silverwave, Navigator

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

9.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Cream

Jewels

20j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1970

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