Seiko Cal. 7136 - 637

Seiko 7136-637

The 7136-637 is a sought-after Quartz piece from Seiko's golden era. The Bidirectional bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-0fa00f89cb19]

Also known as: Golden Tuna

Specifications

Movement
Quartz
Case Material
Gold-Plated
Case Width
41mm
Case Thickness
13.9mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
50m
Dial Color
White
Jewels
31j
Frequency
36,000 bph
Power Reserve
63 hours
Year
1985

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