Seiko Cal. 6659 - 920

Released in 1979, the Cal. 6659 with design code 920 was part of Seiko's domestic market collection. It features a Navy dial protected by a Mineral crystal and offers 60m of water resistance. [seikata-wm-4fb49546eb6b]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

8.1mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Navy

Jewels

29j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1979

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