Seiko Cal. 6216 - 531

Seiko 6216-531

The Seiko 6216-531 represents an important milestone in Seiko's 1970 lineup. Powered by the 6216 caliber with 29j jewels beating at 28,800 bph, it delivers a 69 hours power reserve. [seikata-wm-f7685b7c9baf]

Also known as: Tuna, Silverwave

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
40mm
Case Thickness
15.8mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
130m
Dial Color
Green
Jewels
29j
Frequency
28,800 bph
Power Reserve
69 hours
Year
1970

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