Seiko Cal. 6620 - 758

The Seiko 6620-758 represents an important milestone in Seiko's 1988 lineup. Powered by the 6620 caliber with 36j jewels beating at 21,600 bph, it delivers a 39 hours power reserve. [seikata-wm-ce4caa6834ff]

Also known as: Monster, World Timer

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

45mm

Case Thickness

14.3mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Green

Jewels

36j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1988

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