Seiko Cal. 5661 - 137

This Quartz model from 1972 features a 36mm PVD Black case. It features a White dial protected by a Mineral crystal and offers 120m of water resistance. [seikata-wm-6ab77e9a66cb]

Also known as: Sea Horse

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

36mm

Case Thickness

9.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

120m

Dial Color

White

Jewels

36j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1972

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