Seiko Cal. 5645 - 643

The 5645-643 is a sought-after Kinetic piece from Seiko's golden era. It features a Cream dial protected by a Sapphire crystal and offers 110m of water resistance. [seikata-wm-f0f3b82fdb53]

Also known as: Sumo, Pogue

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

10.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Cream

Jewels

31j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1967

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