Seiko Cal. 6231 - 732

The Seiko 6231-732 represents an important milestone in Seiko's 1970 lineup. Powered by the 6231 caliber with 24j jewels beating at 28,800 bph, it delivers a 51 hours power reserve. [seikata-wm-0b6c1477291a]

Also known as: Bellmatic, Crown

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

40mm

Case Thickness

13.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

170m

Dial Color

Green

Jewels

24j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1970

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