Seiko Cal. 6661 - 167

The 6661-167 is a sought-after Spring Drive piece from Seiko's golden era. It features a Black dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-8939dd3889a5]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

39mm

Case Thickness

12.0mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

90m

Dial Color

Black

Jewels

23j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1997

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