Seiko Cal. 5660 - 243

The Seiko 5660-243 represents an important milestone in Seiko's 1985 lineup. It features a Champagne dial protected by a Sapphire crystal and offers 60m of water resistance. [seikata-wm-4d6fd8a7445c]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

44mm

Case Thickness

8.1mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Champagne

Jewels

23j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1985

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