Seiko Cal. 6381 - 556

The 6381-556 is a sought-after Solar piece from Seiko's golden era. Powered by the 6381 caliber with 28j jewels beating at 21,600 bph, it delivers a 69 hours power reserve. [seikata-wm-a98a341a640a]

Also known as: Bellmatic

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

15.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Green

Jewels

28j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1997

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