Seiko Cal. 3878 - 963

The Seiko 3878-963 represents an important milestone in Seiko's 1974 lineup. It features a Blue Sunburst dial protected by a Mineral crystal and offers 60m of water resistance. [seikata-wm-7b81d87ae9c6]

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

41mm

Case Thickness

15.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1974

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