Seiko Cal. 6378 - 871

The Seiko 6378-871 represents an important milestone in Seiko's 1970 lineup. The Inner Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-59db1e74e638]

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

37mm

Case Thickness

9.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

White

Jewels

23j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1970

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