Seiko Cal. 6231 - 628

The 6231-628 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6231 caliber with 36j jewels beating at 36,000 bph, it delivers a 48 hours power reserve. [seikata-wm-469bcd152460]

Also known as: Flighty

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

42mm

Case Thickness

12.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Burgundy

Jewels

36j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1997

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