Seiko Cal. 6616 - 559

The Seiko 6616-559 represents an important milestone in Seiko's 1968 lineup. Powered by the 6616 caliber with 36j jewels beating at 36,000 bph, it delivers a 53 hours power reserve. [seikata-wm-4f2c39055740]

Also known as: Turtle, Baby Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

13.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

110m

Dial Color

Silver

Jewels

36j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1968

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