Seiko Cal. 6684 - 737

Released in 1970, the Cal. 6684 with design code 737 was part of Seiko's domestic market collection. It features a Champagne dial protected by a Mineral crystal and offers 180m of water resistance. [seikata-wm-f1ddc1036cdb]

Also known as: Rally, Navigator

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

11.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Champagne

Jewels

25j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1970

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