Seiko Cal. 5661 - 318

This Quartz model from 1991 features a 38mm Stainless Steel case. Powered by the 5661 caliber with 33j jewels beating at 28,800 bph, it delivers a 60 hours power reserve. [seikata-wm-2b6336f836a1]

Also known as: UFO

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

8.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

140m

Dial Color

Silver

Jewels

33j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1991

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