Seiko Cal. 6121 - 983

The Seiko 6121-983 represents an important milestone in Seiko's 1975 lineup. Powered by the 6121 caliber with 34j jewels beating at 36,000 bph, it delivers a 61 hours power reserve. [seikata-wm-d54a2b6d1469]

Also known as: Tuna, Crown

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

9.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

40m

Dial Color

Navy

Jewels

34j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1975

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