Seiko Cal. 0771 - 636

The 0771-636 is a sought-after Automatic piece from Seiko's golden era. It features a Cream dial protected by a Acrylic crystal and offers 140m of water resistance. [seikata-wm-7163d0d28d7f]

Also known as: Tuna

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

43mm

Case Thickness

12.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Cream

Jewels

19j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1971

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