Seiko Cal. 6645 - 548

This Quartz model from 1978 features a 42mm Gold-Plated case. It features a Burgundy dial protected by a Mineral crystal and offers 170m of water resistance. [seikata-wm-4d3ed2ab7571]

Also known as: Tuna, Bellmatic

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

12.0mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Burgundy

Jewels

18j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1978

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