Seiko Cal. 6231 - 947

The Seiko 6231-947 represents an important milestone in Seiko's 1984 lineup. Powered by the 6231 caliber with 23j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-061ca61f689e]

Also known as: Baby Tuna, Arnie

Specifications

Movement

Solar

Case Material

Titanium

Case Width

37mm

Case Thickness

12.0mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

200m

Dial Color

White

Jewels

23j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1984

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