Seiko Cal. 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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