Seiko Cal. 3851 - 276

The 3851-276 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3851 caliber with 30j jewels beating at 28,800 bph, it delivers a 60 hours power reserve. [seikata-wm-5154aa63a17f]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

10.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1987

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