Seiko Cal. 6277 - 977

This Spring Drive model from 1971 features a 37mm Stainless Steel case. With its 20mm lug width and 12.5mm profile, it sits comfortably on most wrists. [seikata-wm-174d39f8f672]

Also known as: Tuna, Silverwave

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

12.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Black

Jewels

24j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1971

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