Seiko Cal. 0721 - 193

This Solar model from 1981 features a 45mm Two-Tone case. It features a Green dial protected by a Sapphire crystal and offers 200m of water resistance. [seikata-wm-e9615e58116a]

Also known as: Tuna, Bellmatic

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

45mm

Case Thickness

10.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Green

Jewels

17j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1981

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