Seiko Cal. 4556 - 362

This Spring Drive model from 1969 features a 44mm Stainless Steel case. It features a Black dial protected by a Sapphire crystal and offers 70m of water resistance. [seikata-wm-084033fa0c45]

Also known as: Tuna, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

10.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

70m

Dial Color

Black

Jewels

29j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1969

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