Seiko Cal. 6365 - 491

This Automatic model from 1976 features a 41mm Two-Tone case. Powered by the 6365 caliber with 30j jewels beating at 28,800 bph, it delivers a 63 hours power reserve. [seikata-wm-fd5b0c8ce7cc]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

41mm

Case Thickness

10.0mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Green

Jewels

30j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1976

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