Seiko Cal. 6331 - 442

The Seiko 6331-442 represents an important milestone in Seiko's 1969 lineup. It features a Champagne dial protected by a Mineral crystal and offers 130m of water resistance. [seikata-wm-e75a11d89cfa]

Also known as: Turtle, Tuna

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

15.6mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Champagne

Jewels

32j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1969

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