Seiko Cal. 6343 - 656

This Spring Drive model from 1985 features a 37mm Two-Tone case. Powered by the 6343 caliber with 30j jewels beating at 28,800 bph, it delivers a 62 hours power reserve. [seikata-wm-6468f37f23cb]

Also known as: Shogun, UFO

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

13.0mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Silver

Jewels

30j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1985

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