Seiko Cal. 6397 - 311

The Seiko 6397-311 represents an important milestone in Seiko's 1986 lineup. Powered by the 6397 caliber with 17j jewels beating at 21,600 bph, it delivers a 61 hours power reserve. [seikata-wm-738e3b7cb835]

Also known as: Bellmatic, Baby Tuna

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

38mm

Case Thickness

10.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

190m

Dial Color

Cream

Jewels

17j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1986

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