Seiko Cal. 6660 - 987

The Seiko 6660-987 represents an important milestone in Seiko's 1999 lineup. It features a Green dial protected by a Mineral crystal and offers 50m of water resistance. [seikata-wm-612b55a92033]

Also known as: Crown, Golden Tuna

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

12.0mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

50m

Dial Color

Green

Jewels

22j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1999

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