Seiko Cal. 6118 - 231

Seiko 6118-231

The Seiko 6118-231 represents an important milestone in Seiko's 1976 lineup. Powered by the 6118 caliber with 31j jewels beating at 36,000 bph, it delivers a 66 hours power reserve. [seikata-wm-761cfaa9be3c]

Also known as: Bellmatic, Golden Tuna

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
43mm
Case Thickness
12.8mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
160m
Dial Color
Navy
Jewels
31j
Frequency
36,000 bph
Power Reserve
66 hours
Year
1976

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