Seiko Cal. 6378 - 296

This Spring Drive model from 1976 features a 45mm Two-Tone case. The Bidirectional bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-4b23c265f6c8]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

45mm

Case Thickness

10.4mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Champagne

Jewels

35j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1976

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