Seiko Cal. 6331 - 706

The Seiko 6331-706 represents an important milestone in Seiko's 1973 lineup. It features a Burgundy dial protected by a Mineral crystal and offers 200m of water resistance. [seikata-wm-9a5f3d2440c6]

Also known as: Rally, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

39mm

Case Thickness

8.4mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

200m

Dial Color

Burgundy

Jewels

28j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1973

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