Seiko Cal. 7154 - 643

This Solar model from 1971 features a 45mm Two-Tone case. It features a Champagne dial protected by a Acrylic crystal and offers 180m of water resistance. [seikata-wm-3781a86c12d3]

Also known as: Sumo

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

45mm

Case Thickness

13.1mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Champagne

Jewels

20j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1971

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