Seiko Cal. 6620 - 508

The Seiko 6620-508 represents an important milestone in Seiko's 1979 lineup. It features a Navy dial protected by a Mineral crystal and offers 130m of water resistance. [seikata-wm-0e010aa33ba1]

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

38mm

Case Thickness

15.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

130m

Dial Color

Navy

Jewels

24j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1979

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