Seiko Cal. 5688 - 366

The Seiko 5688-366 represents an important milestone in Seiko's 1985 lineup. The Coin-Edge bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-146457605e14]

Also known as: Panda, Emperor

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

9.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Navy

Jewels

20j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1985

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