Seiko Cal. 5616 - 561

The Seiko 5616-561 represents an important milestone in Seiko's 1978 lineup. Powered by the 5616 caliber with 29j jewels beating at 28,800 bph, it delivers a 44 hours power reserve. [seikata-wm-568a54a9c94e]

Also known as: Turtle

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

14.1mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Navy

Jewels

29j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1978

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