Seiko Cal. 6631 - 352

This Automatic model from 1999 features a 37mm Titanium case. It features a Burgundy dial protected by a Mineral crystal and offers 170m of water resistance. [seikata-wm-c396896e8958]

Also known as: Bellmatic

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

37mm

Case Thickness

12.4mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Burgundy

Jewels

32j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1999

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