Seiko Cal. 5665 - 347

The 5665-347 is a sought-after Spring Drive piece from Seiko's golden era. It features a Cream dial protected by a Hardlex crystal and offers 30m of water resistance. [seikata-wm-83888d91775d]

Also known as: Monster, Rally

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

12.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

30m

Dial Color

Cream

Jewels

22j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1996

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