Seiko Cal. 6398 - 177

The Seiko 6398-177 represents an important milestone in Seiko's 1996 lineup. Powered by the 6398 caliber with 31j jewels beating at 28,800 bph, it delivers a 63 hours power reserve. [seikata-wm-31b351f6c81e]

Also known as: Bellmatic, Navigator

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

43mm

Case Thickness

14.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

100m

Dial Color

Champagne

Jewels

31j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1996

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