Seiko Cal. 6634 - 584

The Seiko 6634-584 represents an important milestone in Seiko's 1970 lineup. It features a Green dial protected by a Mineral crystal and offers 30m of water resistance. [seikata-wm-f63d6be6063e]

Also known as: Bellmatic

Specifications

Movement

Solar

Case Material

Titanium

Case Width

42mm

Case Thickness

13.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

30m

Dial Color

Green

Jewels

26j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1970

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