Seiko Cal. 5691 - 647

This Solar model from 1977 features a 36mm Two-Tone case. It features a Silver dial protected by a Acrylic crystal and offers 100m of water resistance. [seikata-wm-ffa970257c95]

Also known as: Sea Horse

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

36mm

Case Thickness

12.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Silver

Jewels

18j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1977

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