Seiko Cal. 5666 - 276

The Seiko 5666-276 represents an important milestone in Seiko's 1971 lineup. Powered by the 5666 caliber with 35j jewels beating at 21,600 bph, it delivers a 58 hours power reserve. [seikata-wm-9341e2633888]

Also known as: Samurai, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

46mm

Case Thickness

15.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Silver

Jewels

35j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1971

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