Seiko Cal. 6160 - 731

The 6160-731 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6160 caliber with 24j jewels beating at 36,000 bph, it delivers a 55 hours power reserve. [seikata-wm-c1507d79cad7]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

8.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Navy

Jewels

24j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1992

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