Seiko Cal. 5646 - 644

The 5646-644 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Champagne dial protected by a Sapphire crystal and offers 70m of water resistance. [seikata-wm-ec1282af89b9]

Also known as: Flighty

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

12.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Champagne

Jewels

26j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1979

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