Seiko Cal. 4540 - 207

This Automatic model from 1972 features a 41mm Stainless Steel case. It features a Champagne dial protected by a Sapphire crystal and offers 130m of water resistance. [seikata-wm-36414b3760f9]

Also known as: Bullhead

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

9.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Champagne

Jewels

35j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1972

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