Seiko Cal. 4540 - 194

Released in 1976, the Cal. 4540 with design code 194 was part of Seiko's domestic market collection. It features a Champagne dial protected by a Hardlex crystal and offers 100m of water resistance. [seikata-wm-d55fd250ff61]

Also known as: Monster, Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

15.4mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

100m

Dial Color

Champagne

Jewels

33j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1976

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