Seiko Cal. 0739 - 185

The 0739-185 is a sought-after Quartz piece from Seiko's golden era. Powered by the 0739 caliber with 35j jewels beating at 28,800 bph, it delivers a 46 hours power reserve. [seikata-wm-bc9352a1f4ec]

Also known as: Sumo, Tuna

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

39mm

Case Thickness

12.7mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Burgundy

Jewels

35j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1978

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