Seiko Cal. 6684 - 578

Seiko 6684-578

This Automatic model from 1972 features a 36mm Stainless Steel case. Powered by the 6684 caliber with 17j jewels beating at 28,800 bph, it delivers a 38 hours power reserve. [seikata-wm-d2086b801cd3]

Also known as: Arnie

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
36mm
Case Thickness
9.5mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
70m
Dial Color
Green
Jewels
17j
Frequency
28,800 bph
Power Reserve
38 hours
Year
1972

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