Seiko Cal. 5663 - 712

The 5663-712 is a sought-after Spring Drive piece from Seiko's golden era. The Coin-Edge bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-61120d43c505]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

10.6mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Black

Jewels

29j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1969

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