Seiko Cal. 6278 - 340

This Quartz model from 1976 features a 37mm Two-Tone case. It features a Black dial protected by a Mineral crystal and offers 110m of water resistance. [seikata-wm-a3ffff01a4b9]

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

37mm

Case Thickness

11.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

110m

Dial Color

Black

Jewels

28j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1976

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