Seiko Cal. 4438 - 355

Seiko 4438-355

The 4438-355 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Navy dial protected by a Mineral crystal and offers 200m of water resistance. [seikata-wm-e419c91191f6]

Also known as: Golden Tuna

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
40mm
Case Thickness
8.9mm
Lug Width
20mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
200m
Dial Color
Navy
Jewels
19j
Frequency
36,000 bph
Power Reserve
55 hours
Year
1999

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