Seiko Cal. 5610 - 307

The Seiko 5610-307 represents an important milestone in Seiko's 1970 lineup. It features a Black dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-259db6f57618]

Also known as: Baby Tuna, Flighty

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

8.5mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Black

Jewels

29j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1970

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