Seiko Cal. 3846 - 551

The 3846-551 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 3846 caliber with 21j jewels beating at 36,000 bph, it delivers a 53 hours power reserve. [seikata-wm-11f1af9c5908]

Also known as: Sumo, UFO

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

15.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

130m

Dial Color

Champagne

Jewels

21j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1973

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