Seiko Cal. 5637 - 103

Seiko 5637-103

The 5637-103 is a sought-after Quartz piece from Seiko's golden era. It features a White dial protected by a Mineral crystal and offers 70m of water resistance. [seikata-wm-c7a7b9dcc4bd]

Also known as: Samurai, Bullhead

Specifications

Movement
Quartz
Case Material
Two-Tone
Case Width
45mm
Case Thickness
8.7mm
Lug Width
18mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
70m
Dial Color
White
Jewels
34j
Frequency
36,000 bph
Power Reserve
48 hours
Year
1987

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