Seiko Cal. 6620 - 987

Released in 1989, the Cal. 6620 with design code 987 was part of Seiko's domestic market collection. It features a White dial protected by a Mineral crystal and offers 50m of water resistance. [seikata-wm-0887fead41fd]

Also known as: Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

12.0mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

50m

Dial Color

White

Jewels

35j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1989

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