Seiko Cal. 6331 - 889

Released in 1988, the Cal. 6331 with design code 889 was part of Seiko's domestic market collection. Powered by the 6331 caliber with 29j jewels beating at 36,000 bph, it delivers a 42 hours power reserve. [seikata-wm-61ffbe7fd4b1]

Also known as: Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

11.2mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

White

Jewels

29j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1988

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