Seiko Cal. 6145 - 331

The Seiko 6145-331 represents an important milestone in Seiko's 1979 lineup. Powered by the 6145 caliber with 32j jewels beating at 21,600 bph, it delivers a 41 hours power reserve. [seikata-wm-73c7fdc09a90]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

44mm

Case Thickness

13.3mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Burgundy

Jewels

32j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1979

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