Seiko Cal. 6371 - 329

The Seiko 6371-329 represents an important milestone in Seiko's 1970 lineup. Powered by the 6371 caliber with 29j jewels beating at 21,600 bph, it delivers a 59 hours power reserve. [seikata-wm-abf1840ca24c]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

41mm

Case Thickness

11.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

50m

Dial Color

Champagne

Jewels

29j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1970

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