Seiko Cal. 5661 - 613

The Seiko 5661-613 represents an important milestone in Seiko's 1972 lineup. It features a White dial protected by a Mineral crystal and offers 180m of water resistance. [seikata-wm-4178e1472fc3]

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

41mm

Case Thickness

9.2mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

180m

Dial Color

White

Jewels

21j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1972

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