Seiko Cal. 6649 - 947

The 6649-947 is a sought-after Spring Drive piece from Seiko's golden era. It features a White dial protected by a Mineral crystal and offers 160m of water resistance. [seikata-wm-2d32350544d6]

Also known as: Sumo, World Timer

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

35mm

Case Thickness

8.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

160m

Dial Color

White

Jewels

34j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1992

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