Seiko Cal. 6681 - 181

This Spring Drive model from 1980 features a 39mm PVD Black case. It features a Black dial protected by a Mineral crystal and offers 60m of water resistance. [seikata-wm-cf6330ea63e5]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

39mm

Case Thickness

12.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

60m

Dial Color

Black

Jewels

23j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1980

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