Seiko Cal. 5650 - 781

The Seiko 5650-781 represents an important milestone in Seiko's 1971 lineup. It features a Silver dial protected by a Sapphire crystal and offers 50m of water resistance. [seikata-wm-396325fd03e4]

Also known as: Silverwave, Crown

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

46mm

Case Thickness

8.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Silver

Jewels

21j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1971

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