Seiko Cal. 5277 - 778

The 5277-778 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Black dial protected by a Sapphire crystal and offers 70m of water resistance. [seikata-wm-335544544aaf]

Also known as: Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

34mm

Case Thickness

12.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Black

Jewels

34j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1989

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