Seiko Cal. 6397 - 444

The 6397-444 is a sought-after Solar piece from Seiko's golden era. Powered by the 6397 caliber with 27j jewels beating at 28,800 bph, it delivers a 51 hours power reserve. [seikata-wm-274092443a5c]

Also known as: Turtle, Bullhead

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

34mm

Case Thickness

13.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

200m

Dial Color

Silver

Jewels

27j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1972

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