Seiko Cal. 5646 - 753

The Seiko 5646-753 represents an important milestone in Seiko's 1982 lineup. It features a Green dial protected by a Mineral crystal and offers 30m of water resistance. [seikata-wm-e91e02d2b0ee]

Also known as: Golden Tuna

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

13.0mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Green

Jewels

21j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1982

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