Seiko Cal. 3880 - 366

The 3880-366 is a sought-after Automatic piece from Seiko's golden era. It features a Silver dial protected by a Sapphire crystal and offers 180m of water resistance. [seikata-wm-6f4dcdbd8ce3]

Also known as: Silverwave, Golden Tuna

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

15.2mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

180m

Dial Color

Silver

Jewels

23j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1979

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