Seiko Cal. 6647 - 338

The 6647-338 is a sought-after Spring Drive piece from Seiko's golden era. It features a Silver dial protected by a Mineral crystal and offers 160m of water resistance. [seikata-wm-ecafa5e08eed]

Also known as: Emperor

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

46mm

Case Thickness

14.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Silver

Jewels

33j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1996

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