Seiko Cal. 0771 - 728

The 0771-728 is a sought-after Spring Drive piece from Seiko's golden era. It features a Champagne dial protected by a Acrylic crystal and offers 100m of water resistance. [seikata-wm-e44c88dbb191]

Also known as: World Timer, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

11.0mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Champagne

Jewels

26j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1977

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