Seiko Cal. 5660 - 537

The Seiko 5660-537 represents an important milestone in Seiko's 1999 lineup. With its 21mm lug width and 11.7mm profile, it sits comfortably on most wrists. [seikata-wm-b72b2a071326]

Also known as: Shogun, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

11.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Silver

Jewels

35j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1999

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