Seiko Cal. 5660 - 373

The Seiko 5660-373 represents an important milestone in Seiko's 1990 lineup. Powered by the 5660 caliber with 31j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-e45dacf8d737]

Also known as: Bullhead

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

36mm

Case Thickness

13.0mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

190m

Dial Color

Silver

Jewels

31j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1990

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