Seiko Cal. 6678 - 451

This Solar model from 1976 features a 41mm Two-Tone case. It features a Silver dial protected by a Sapphire crystal and offers 140m of water resistance. [seikata-wm-18ee4cbfd6be]

Also known as: Bellmatic

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

41mm

Case Thickness

10.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Silver

Jewels

24j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1976

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