Seiko Cal. 0734 - 743

This Hand-Winding model from 1982 features a 40mm Hardlex-Coated Steel case. It features a Black dial protected by a Sapphire crystal and offers 70m of water resistance. [seikata-wm-e6f4b9a8b019]

Also known as: Golden Tuna, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

9.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Black

Jewels

19j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1982

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