Seiko Cal. 6397 - 874

The Seiko 6397-874 represents an important milestone in Seiko's 1981 lineup. It features a Burgundy dial protected by a Mineral crystal and offers 170m of water resistance. [seikata-wm-cc8f19743ec5]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

43mm

Case Thickness

12.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

170m

Dial Color

Burgundy

Jewels

31j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1981

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