Seiko Cal. 5656 - 718

The Seiko 5656-718 represents an important milestone in Seiko's 1978 lineup. Powered by the 5656 caliber with 35j jewels beating at 36,000 bph, it delivers a 61 hours power reserve. [seikata-wm-08a8dcd212e2]

Also known as: World Timer, Navigator

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

39mm

Case Thickness

12.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

35j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1978

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