Seiko Cal. 3879 - 856

The Seiko 3879-856 represents an important milestone in Seiko's 1980 lineup. It features a Navy dial protected by a Mineral crystal and offers 150m of water resistance. [seikata-wm-1acf24d06469]

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

44mm

Case Thickness

12.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Navy

Jewels

24j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1980

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