Seiko Cal. 5666 - 656

This Automatic model from 1985 features a 35mm Two-Tone case. Powered by the 5666 caliber with 30j jewels beating at 36,000 bph, it delivers a 52 hours power reserve. [seikata-wm-c108eacaf91b]

Also known as: UFO

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

35mm

Case Thickness

9.4mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Silver

Jewels

30j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1985

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