Seiko Cal. 5665 - 275

Released in 1987, the Cal. 5665 with design code 275 was part of Seiko's domestic market collection. It features a Cream dial protected by a Sapphire crystal and offers 150m of water resistance. [seikata-wm-a940abf54eaa]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

11.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

150m

Dial Color

Cream

Jewels

22j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1987

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