Seiko Cal. 0730 - 104

The Seiko 0730-104 represents an important milestone in Seiko's 1978 lineup. The Fixed bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-f06179c9099c]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

13.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

130m

Dial Color

Green

Jewels

30j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1978

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