Seiko Cal. 4540 - 196

This Spring Drive model from 1975 features a 42mm Two-Tone case. It features a Champagne dial protected by a Sapphire crystal and offers 140m of water resistance. [seikata-wm-3c3f6a2b6f0a]

Also known as: Sea Horse

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

42mm

Case Thickness

15.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Champagne

Jewels

28j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1975

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