Seiko Cal. 5665 - 401

This Quartz model from 1971 features a 42mm Stainless Steel case. Powered by the 5665 caliber with 22j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-cecf57771a5b]

Also known as: Turtle, Tuna

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

10.6mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Champagne

Jewels

22j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1971

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