Seiko Cal. 6681 - 520

The Seiko 6681-520 represents an important milestone in Seiko's 1986 lineup. It features a Black dial protected by a Mineral crystal and offers 70m of water resistance. [seikata-wm-f76311a52123]

Also known as: Helmet

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

42mm

Case Thickness

15.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Black

Jewels

18j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1986

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