Seiko Cal. 5660 - 638

The 5660-638 is a sought-after Automatic piece from Seiko's golden era. It features a Navy dial protected by a Hardlex crystal and offers 200m of water resistance. [seikata-wm-e8da51b1ca70]

Also known as: Panda, Crown

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

41mm

Case Thickness

9.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

200m

Dial Color

Navy

Jewels

24j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1976

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