Seiko Cal. 6631 - 453

The Seiko 6631-453 represents an important milestone in Seiko's 1983 lineup. It features a Burgundy dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-1b13cce0f445]

Also known as: Turtle, Shogun

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

8.6mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Burgundy

Jewels

29j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1983

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