Seiko Cal. 3815 - 381

The 3815-381 is a sought-after Automatic piece from Seiko's golden era. Powered by the 3815 caliber with 36j jewels beating at 28,800 bph, it delivers a 69 hours power reserve. [seikata-wm-757be171db23]

Also known as: Silverwave

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

10.3mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Black

Jewels

36j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1976

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