Seiko Cal. 6647 - 947

The 6647-947 is a sought-after Automatic piece from Seiko's golden era. It features a Silver dial protected by a Mineral crystal and offers 130m of water resistance. [seikata-wm-1e78f2f18991]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

37mm

Case Thickness

14.0mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

130m

Dial Color

Silver

Jewels

17j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1969

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