Seiko Cal. 6616 - 503

Released in 1971, the Cal. 6616 with design code 503 was part of Seiko's domestic market collection. It features a Green dial protected by a Acrylic crystal and offers 90m of water resistance. [seikata-wm-7cb955fec27e]

Also known as: Turtle

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

34mm

Case Thickness

13.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Green

Jewels

18j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1971

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