Seiko Cal. 6616 - 555

The Seiko 6616-555 represents an important milestone in Seiko's 1993 lineup. The Fixed bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-91a8ba8528a1]

Also known as: Baby Tuna

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

36mm

Case Thickness

12.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

190m

Dial Color

Green

Jewels

19j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1993

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