Seiko Cal. 0745 - 730

The Seiko 0745-730 represents an important milestone in Seiko's 1975 lineup. It features a Blue Sunburst dial protected by a Mineral crystal and offers 40m of water resistance. [seikata-wm-d3bb01a62d82]

Also known as: Sumo, Shogun

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

10.3mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1975

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