Seiko Cal. 6687 - 228

This Hand-Winding model from 1987 features a 34mm PVD Black case. The Fixed bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-a2dc238998f3]

Also known as: Bullhead, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

34mm

Case Thickness

9.7mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

90m

Dial Color

Black

Jewels

31j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1987

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