Seiko Cal. 4416 - 987

Seiko 4416-987

Released in 1970, the Cal. 4416 with design code 987 was part of Seiko's domestic market collection. The Rotating bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-b33465bb31a0]

Also known as: Helmet

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
34mm
Case Thickness
15.8mm
Lug Width
20mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
40m
Dial Color
Cream
Jewels
20j
Frequency
21,600 bph
Power Reserve
66 hours
Year
1970

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