Seiko Cal. 6318 - 654

Seiko 6318-654

The 6318-654 is a sought-after Automatic piece from Seiko's golden era. The Coin-Edge bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-6e3dee20d454]

Also known as: Tuna, Bellmatic

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
44mm
Case Thickness
15.0mm
Lug Width
21mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
60m
Dial Color
Navy
Jewels
35j
Frequency
28,800 bph
Power Reserve
69 hours
Year
1977

Related Models

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