Seiko Cal. 0784 - 434

The Seiko 0784-434 represents an important milestone in Seiko's 1981 lineup. It features a Black dial protected by a Acrylic crystal and offers 190m of water resistance. [seikata-wm-b330d94fa78e]

Also known as: Tuna, World Timer

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

41mm

Case Thickness

14.2mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Black

Jewels

21j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1981

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