Seiko Cal. 6655 - 931

This Automatic model from 1981 features a 46mm Stainless Steel case. Powered by the 6655 caliber with 30j jewels beating at 21,600 bph, it delivers a 45 hours power reserve. [seikata-wm-b406d97ad6b4]

Also known as: Turtle

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

15.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Navy

Jewels

30j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1981

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