Seiko Cal. 3815 - 642

The 3815-642 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 3815 caliber with 30j jewels beating at 28,800 bph, it delivers a 71 hours power reserve. [seikata-wm-24304804e329]

Also known as: Silverwave

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

38mm

Case Thickness

9.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Champagne

Jewels

30j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1984

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