Seiko Cal. 0739 - 236

Seiko 0739-236

The Seiko 0739-236 represents an important milestone in Seiko's 1975 lineup. Powered by the 0739 caliber with 28j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-e0fe8709fd57]

Also known as: Monster, Sportsmatic

Specifications

Movement
Spring Drive
Case Material
Titanium
Case Width
44mm
Case Thickness
14.9mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
200m
Dial Color
Burgundy
Jewels
28j
Frequency
21,600 bph
Power Reserve
70 hours
Year
1975

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