Seiko Cal. 4416 - 256

Released in 1974, the Cal. 4416 with design code 256 was part of Seiko's domestic market collection. It features a Cream dial protected by a Mineral crystal and offers 110m of water resistance. [seikata-wm-65bbbfd674ae]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

11.0mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

110m

Dial Color

Cream

Jewels

21j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1974

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