Seiko Cal. 4492 - 478

This Spring Drive model from 1970 features a 41mm Two-Tone case. It features a Green dial protected by a Acrylic crystal and offers 190m of water resistance. [seikata-wm-3730c365c824]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

41mm

Case Thickness

9.9mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

190m

Dial Color

Green

Jewels

27j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1970

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