Seiko Cal. 3879 - 730

The 3879-730 is a sought-after Automatic piece from Seiko's golden era. It features a Cream dial protected by a Mineral crystal and offers 30m of water resistance. [seikata-wm-3370d8cbf067]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

8.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Cream

Jewels

36j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1976

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