Seiko Cal. 7156 - 521

Seiko 7156-521

The 7156-521 is a sought-after Kinetic piece from Seiko's golden era. The Bidirectional bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-a1bc7d79b860]

Also known as: Golden Tuna, Flighty

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
44mm
Case Thickness
8.5mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
170m
Dial Color
Green
Jewels
22j
Frequency
36,000 bph
Power Reserve
49 hours
Year
1998

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