Seiko Cal. 0733 - 312

The Seiko 0733-312 represents an important milestone in Seiko's 1993 lineup. It features a Black dial protected by a Acrylic crystal and offers 80m of water resistance. [seikata-wm-c16d0b0a722c]

Also known as: Tuna, Flighty

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

15.6mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

80m

Dial Color

Black

Jewels

36j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1993

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