Seiko Cal. 6365 - 879

This Spring Drive model from 1991 features a 35mm Two-Tone case. Powered by the 6365 caliber with 20j jewels beating at 28,800 bph, it delivers a 68 hours power reserve. [seikata-wm-53796ccbe697]

Also known as: Sumo, Bullhead

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

35mm

Case Thickness

9.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Burgundy

Jewels

20j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1991

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