Seiko Cal. 0736 - 257

The 0736-257 is a sought-after Spring Drive piece from Seiko's golden era. With its 20mm lug width and 12.7mm profile, it sits comfortably on most wrists. [seikata-wm-86f1efa4cacb]

Also known as: Shogun, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

12.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Burgundy

Jewels

31j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1977

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