Seiko Cal. 3878 - 970

The Seiko 3878-970 represents an important milestone in Seiko's 1966 lineup. It features a Green dial protected by a Mineral crystal and offers 190m of water resistance. [seikata-wm-b58144d07b39]

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

13.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Green

Jewels

23j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1966

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