Seiko Cal. 6687 - 733

Seiko 6687-733

The 6687-733 is a sought-after Quartz piece from Seiko's golden era. It features a Black dial protected by a Mineral crystal and offers 40m of water resistance. [seikata-wm-561a54d7d307]

Also known as: Baby Tuna

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
43mm
Case Thickness
9.5mm
Lug Width
20mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
40m
Dial Color
Black
Jewels
25j
Frequency
36,000 bph
Power Reserve
42 hours
Year
1985

Related Models

seikata-wm-561a54d7d307