Seiko Cal. 6637 - 584

The Seiko 6637-584 represents an important milestone in Seiko's 1996 lineup. It features a Silver dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-1f498691410a]

Also known as: Tuna, Arnie

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

41mm

Case Thickness

12.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Silver

Jewels

32j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1996

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