Seiko Cal. 4416 - 251

The 4416-251 is a sought-after Spring Drive piece from Seiko's golden era. It features a Champagne dial protected by a Acrylic crystal and offers 90m of water resistance. [seikata-wm-b3c5bcca549a]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

45mm

Case Thickness

10.5mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Champagne

Jewels

24j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1965

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