Seiko Cal. 4430 - 887

This Hand-Winding model from 1971 features a 40mm PVD Black case. It features a Navy dial protected by a Acrylic crystal and offers 60m of water resistance. [seikata-wm-c319839b6866]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

40mm

Case Thickness

12.0mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

60m

Dial Color

Navy

Jewels

23j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1971

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