Seiko Cal. 0777 - 566

The 0777-566 is a sought-after Spring Drive piece from Seiko's golden era. With its 20mm lug width and 15.4mm profile, it sits comfortably on most wrists. [seikata-wm-3e8b3041f962]

Also known as: Tuna, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

15.4mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Champagne

Jewels

25j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1983

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