Seiko Cal. 5691 - 864

The 5691-864 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Green dial protected by a Sapphire crystal and offers 160m of water resistance. [seikata-wm-3ce61465bc4c]

Also known as: Silverwave, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

14.5mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Green

Jewels

19j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1967

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