Seiko Cal. 6636 - 297

This Automatic model from 1984 features a 35mm Two-Tone case. Powered by the 6636 caliber with 26j jewels beating at 28,800 bph, it delivers a 60 hours power reserve. [seikata-wm-c6ed9d97b49e]

Also known as: Tuna, World Timer

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

35mm

Case Thickness

9.2mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

90m

Dial Color

Silver

Jewels

26j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1984

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