Seiko Cal. 6311 - 362

This Automatic model from 1981 features a 39mm Two-Tone case. Powered by the 6311 caliber with 31j jewels beating at 28,800 bph, it delivers a 54 hours power reserve. [seikata-wm-7ae6149e5a8d]

Also known as: Tuna

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

39mm

Case Thickness

13.6mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

70m

Dial Color

White

Jewels

31j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1981

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