Seiko Cal. 5610 - 781

The Seiko 5610-781 represents an important milestone in Seiko's 1976 lineup. Powered by the 5610 caliber with 33j jewels beating at 36,000 bph, it delivers a 42 hours power reserve. [seikata-wm-69466a868ddf]

Also known as: Monster, Flighty

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

39mm

Case Thickness

13.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Navy

Jewels

33j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1976

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