Seiko Cal. 6665 - 355

The 6665-355 is a sought-after Quartz piece from Seiko's golden era. It features a Burgundy dial protected by a Hardlex crystal and offers 80m of water resistance. [seikata-wm-99b2a2124796]

Also known as: Baby Tuna

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

40mm

Case Thickness

10.0mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Burgundy

Jewels

34j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1985

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