Seiko Cal. 6312 - 677

Seiko 6312-677

This Spring Drive model from 1980 features a 36mm Titanium case. Powered by the 6312 caliber with 24j jewels beating at 28,800 bph, it delivers a 62 hours power reserve. [seikata-wm-5d9a5e2ce064]

Specifications

Movement
Spring Drive
Case Material
Titanium
Case Width
36mm
Case Thickness
12.5mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
170m
Dial Color
Green
Jewels
24j
Frequency
28,800 bph
Power Reserve
62 hours
Year
1980

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