Seiko Cal. 0738 - 503

The Seiko 0738-503 represents an important milestone in Seiko's 1993 lineup. Powered by the 0738 caliber with 19j jewels beating at 36,000 bph, it delivers a 41 hours power reserve. [seikata-wm-bdbd4cf92faa]

Also known as: Tuna, Baby Tuna

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

39mm

Case Thickness

10.0mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Black

Jewels

19j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1993

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