Seiko Cal. 5664 - 356

The Seiko 5664-356 represents an important milestone in Seiko's 1972 lineup. It features a Silver dial protected by a Acrylic crystal and offers 40m of water resistance. [seikata-wm-de7e25521a5e]

Also known as: Bellmatic, Crown

Specifications

Movement

Solar

Case Material

Titanium

Case Width

45mm

Case Thickness

13.9mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

40m

Dial Color

Silver

Jewels

18j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1972

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