Seiko Cal. 5610 - 639

The Seiko 5610-639 represents an important milestone in Seiko's 1975 lineup. It features a Green dial protected by a Mineral crystal and offers 130m of water resistance. [seikata-wm-6482c2106a44]

Also known as: Flighty

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

13.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Green

Jewels

25j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1975

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