Seiko Cal. 5661 - 405

The Seiko 5661-405 represents an important milestone in Seiko's 1993 lineup. It features a Navy dial protected by a Hardlex crystal and offers 70m of water resistance. [seikata-wm-b977efea74d1]

Also known as: Sportsmatic

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

40mm

Case Thickness

10.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Navy

Jewels

33j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1993

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