Seiko Cal. 6616 - 378

The Seiko 6616-378 represents an important milestone in Seiko's 1979 lineup. It features a Black dial protected by a Acrylic crystal and offers 160m of water resistance. [seikata-wm-b3204bb793ec]

Also known as: Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

44mm

Case Thickness

12.5mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Black

Jewels

28j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1979

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