Seiko Cal. 0740 - 154

This Hand-Winding model from 1976 features a 34mm PVD Black case. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 80m of water resistance. [seikata-wm-1a4345e51925]

Also known as: Tuna, Flighty

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

34mm

Case Thickness

15.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

35j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1976

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