Seiko Cal. 6616 - 434

The Seiko 6616-434 represents an important milestone in Seiko's 1981 lineup. Powered by the 6616 caliber with 31j jewels beating at 36,000 bph, it delivers a 38 hours power reserve. [seikata-wm-846e9254ddf0]

Also known as: Monster, UFO

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

15.5mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

120m

Dial Color

Champagne

Jewels

31j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1981

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