Seiko Cal. 6351 - 198

The Seiko 6351-198 represents an important milestone in Seiko's 1994 lineup. Powered by the 6351 caliber with 36j jewels beating at 21,600 bph, it delivers a 51 hours power reserve. [seikata-wm-31729d91f8e6]

Also known as: Sumo, Bellmatic

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

45mm

Case Thickness

9.8mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Navy

Jewels

36j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1994

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