Seiko Cal. 5661 - 948

The Seiko 5661-948 represents an important milestone in Seiko's 1975 lineup. With its 20mm lug width and 13.2mm profile, it sits comfortably on most wrists. [seikata-wm-7f8036bbff70]

Also known as: Sumo, Arnie

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

41mm

Case Thickness

13.2mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

110m

Dial Color

Green

Jewels

35j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1975

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