Seiko Cal. 3816 - 309

This Automatic model from 1988 features a 42mm Two-Tone case. Powered by the 3816 caliber with 24j jewels beating at 21,600 bph, it delivers a 68 hours power reserve. [seikata-wm-203d1b6d5fb5]

Also known as: Tuna, Panda

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

42mm

Case Thickness

11.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

24j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1988

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