Seiko Cal. 5610 - 406

The Seiko 5610-406 represents an important milestone in Seiko's 1980 lineup. Powered by the 5610 caliber with 21j jewels beating at 36,000 bph, it delivers a 44 hours power reserve. [seikata-wm-26cbf671cda5]

Also known as: Monster, UFO

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

9.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Black

Jewels

21j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1980

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