Seiko Cal. 4557 - 737

Released in 1967, the Cal. 4557 with design code 737 was part of Seiko's domestic market collection. With its 18mm lug width and 15.3mm profile, it sits comfortably on most wrists. [seikata-wm-ddc286decbe5]

Also known as: Sumo, Panda

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

36mm

Case Thickness

15.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Cream

Jewels

35j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1967

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