Seiko Cal. 6121 - 452

The 6121-452 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6121 caliber with 28j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-286058e9b9a4]

Also known as: Turtle, Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

13.1mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Champagne

Jewels

28j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1991

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