Seiko Cal. 5646 - 739

The 5646-739 is a sought-after Spring Drive piece from Seiko's golden era. It features a Champagne dial protected by a Acrylic crystal and offers 110m of water resistance. [seikata-wm-bc80c368fd3e]

Also known as: Pogue, World Timer

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

9.4mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

110m

Dial Color

Champagne

Jewels

35j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1985

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