Seiko Cal. 5661 - 905

This Spring Drive model from 1984 features a 40mm Hardlex-Coated Steel case. The Coin-Edge bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-cca50e6c01d0]

Also known as: Samurai

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

8.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Cream

Jewels

34j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1984

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