Seiko Cal. 6310 - 689

Released in 1987, the Cal. 6310 with design code 689 was part of Seiko's domestic market collection. It features a Green dial protected by a Mineral crystal and offers 110m of water resistance. [seikata-wm-a3f0818b5bf1]

Also known as: Tuna, Panda

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

46mm

Case Thickness

15.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Green

Jewels

27j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1987

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