Seiko Cal. 5665 - 164

The Seiko 5665-164 represents an important milestone in Seiko's 1977 lineup. The Coin-Edge bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-b8d274389b03]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

11.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1977

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