Seiko Cal. 4451 - 535

This Spring Drive model from 1980 features a 43mm Gold-Plated case. It features a Black dial protected by a Mineral crystal and offers 110m of water resistance. [seikata-wm-461ffcc0e20b]

Also known as: Tuna, UFO

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

11.3mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

110m

Dial Color

Black

Jewels

21j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1980

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