Seiko Cal. 5666 - 160

The Seiko 5666-160 represents an important milestone in Seiko's 1998 lineup. Powered by the 5666 caliber with 36j jewels beating at 21,600 bph, it delivers a 39 hours power reserve. [seikata-wm-128de060d2db]

Also known as: Bellmatic, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

11.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

70m

Dial Color

Silver

Jewels

36j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1998

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