Seiko Cal. 5683 - 630

Released in 1968, the Cal. 5683 with design code 630 was part of Seiko's domestic market collection. It features a Navy dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-82f03046f25e]

Also known as: Silverwave

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

41mm

Case Thickness

14.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Navy

Jewels

33j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1968

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