Seiko Cal. 3845 - 454

The 3845-454 is a sought-after Automatic piece from Seiko's golden era. Powered by the 3845 caliber with 21j jewels beating at 28,800 bph, it delivers a 50 hours power reserve. [seikata-wm-b8cbd1629d80]

Also known as: Sumo, Sportsmatic

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

40mm

Case Thickness

8.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Green

Jewels

21j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1989

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