Seiko Cal. 5661 - 471

The Seiko 5661-471 represents an important milestone in Seiko's 1975 lineup. It features a Silver dial protected by a Acrylic crystal and offers 150m of water resistance. [seikata-wm-8007956d5467]

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

15.4mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Silver

Jewels

20j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1975

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