Seiko Cal. 7188 - 644

Released in 1967, the Cal. 7188 with design code 644 was part of Seiko's domestic market collection. It features a Cream dial protected by a Sapphire crystal and offers 160m of water resistance. [seikata-wm-fcf58ccbb79b]

Also known as: Silverwave

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

13.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

160m

Dial Color

Cream

Jewels

27j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1967

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