Seiko Cal. 3856 - 977

Seiko 3856-977

The Seiko 3856-977 represents an important milestone in Seiko's 1974 lineup. With its 20mm lug width and 15.7mm profile, it sits comfortably on most wrists. [seikata-wm-e75b90200f1f]

Also known as: World Timer, Golden Tuna

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
34mm
Case Thickness
15.7mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
120m
Dial Color
Blue Sunburst
Jewels
30j
Frequency
28,800 bph
Power Reserve
52 hours
Year
1974

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