Seiko Cal. 5683 - 227

The Seiko 5683-227 represents an important milestone in Seiko's 1966 lineup. Powered by the 5683 caliber with 31j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-1f2842e6d1f7]

Also known as: Bullhead

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

36mm

Case Thickness

14.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Burgundy

Jewels

31j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1966

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