Seiko Cal. 5641 - 801

Released in 1972, the Cal. 5641 with design code 801 was part of Seiko's domestic market collection. It features a Cream dial protected by a Sapphire crystal and offers 160m of water resistance. [seikata-wm-cc05cb25eeed]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

9.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Cream

Jewels

26j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1972

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