Seiko Cal. 5645 - 187

This Quartz model from 1978 features a 39mm PVD Black case. It features a Cream dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-df2b43541ebe]

Also known as: Goldfeather, Baby Tuna

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

39mm

Case Thickness

8.9mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Cream

Jewels

18j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1978

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