Seiko Cal. 3812 - 678

The 3812-678 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3812 caliber with 34j jewels beating at 28,800 bph, it delivers a 50 hours power reserve. [seikata-wm-e696a4595a5b]

Also known as: Silverwave

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

11.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Champagne

Jewels

34j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1986

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