Seiko Cal. 6357 - 646

The Seiko 6357-646 represents an important milestone in Seiko's 1998 lineup. Powered by the 6357 caliber with 22j jewels beating at 28,800 bph, it delivers a 54 hours power reserve. [seikata-wm-07cdac43d150]

Also known as: Tuna

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

8.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Cream

Jewels

22j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1998

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