Seiko Cal. 0764 - 642

The 0764-642 is a sought-after Automatic piece from Seiko's golden era. It features a Navy dial protected by a Mineral crystal and offers 160m of water resistance. [seikata-wm-faaca855ece8]

Also known as: Sumo, Shogun

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

44mm

Case Thickness

8.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Navy

Jewels

26j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1981

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